[INFO] crate devicemapper 0.28.0 is already in cache [INFO] extracting crate devicemapper 0.28.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/devicemapper/0.28.0 [INFO] extracting crate devicemapper 0.28.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/devicemapper/0.28.0 [INFO] validating manifest of devicemapper-0.28.0 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 devicemapper-0.28.0 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 devicemapper-0.28.0 [INFO] finished frobbing devicemapper-0.28.0 [INFO] frobbed toml for devicemapper-0.28.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/devicemapper/0.28.0/Cargo.toml [INFO] started frobbing devicemapper-0.28.0 [INFO] finished frobbing devicemapper-0.28.0 [INFO] frobbed toml for devicemapper-0.28.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/devicemapper/0.28.0/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] [stderr] Blocking waiting for file lock on package cache [INFO] testing devicemapper-0.28.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/devicemapper/0.28.0:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 94f5881724a14de64ab6cf195a864174d78fe701b85fc5f4f2ba2d5b80800748 [INFO] running `"docker" "start" "-a" "94f5881724a14de64ab6cf195a864174d78fe701b85fc5f4f2ba2d5b80800748"` [INFO] [stderr] Compiling devicemapper v0.28.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.93s [INFO] running `"docker" "inspect" "94f5881724a14de64ab6cf195a864174d78fe701b85fc5f4f2ba2d5b80800748"` [INFO] running `"docker" "rm" "-f" "94f5881724a14de64ab6cf195a864174d78fe701b85fc5f4f2ba2d5b80800748"` [INFO] [stdout] 94f5881724a14de64ab6cf195a864174d78fe701b85fc5f4f2ba2d5b80800748 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/devicemapper/0.28.0:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 655172d62795151dca3cb6715815578184321e9db868a6bfdaf280c78ba88179 [INFO] running `"docker" "start" "-a" "655172d62795151dca3cb6715815578184321e9db868a6bfdaf280c78ba88179"` [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling loopdev v0.2.1 [INFO] [stderr] Compiling libmount v0.1.13 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling devicemapper v0.28.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.43s [INFO] running `"docker" "inspect" "655172d62795151dca3cb6715815578184321e9db868a6bfdaf280c78ba88179"` [INFO] running `"docker" "rm" "-f" "655172d62795151dca3cb6715815578184321e9db868a6bfdaf280c78ba88179"` [INFO] [stdout] 655172d62795151dca3cb6715815578184321e9db868a6bfdaf280c78ba88179 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/devicemapper/0.28.0:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] a87dcd4aada4b6802a4f6ff41a2336d29d211d73a839302acc780b649a1ffbbe [INFO] running `"docker" "start" "-a" "a87dcd4aada4b6802a4f6ff41a2336d29d211d73a839302acc780b649a1ffbbe"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/devicemapper-12e0add3cd1d11ed [INFO] [stdout] [INFO] [stdout] running 59 tests [INFO] [stdout] test core::device::tests::test_kdev_t_conversion ... ok [INFO] [stdout] test core::device::tests::test_dev_t_conversion ... ok [INFO] [stdout] test core::dm::tests::sudo_test_create ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_create_uuid ... FAILED [INFO] [stdout] test core::dm::tests::sudo_status_no_name ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_double_creation ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_empty_deps ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_list_devices ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_list_devices_empty ... FAILED [INFO] [stdout] test cachedev::tests::loop_test_minimal_cache_dev ... FAILED [INFO] [stdout] test cachedev::tests::loop_test_suspend ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_remove_non_existant ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_rename_non_existant ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_rename_id ... FAILED [INFO] [stdout] test cachedev::tests::loop_test_cache_size_change ... FAILED [INFO] [stdout] test cachedev::tests::loop_test_meta_size_change ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_rename_uuid_id ... FAILED [INFO] [stdout] test cachedev::tests::loop_test_origin_size_change ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_rename_uuid ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_rename ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_table_status_non_existant ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_table_status ... FAILED [INFO] [stdout] test id_macros::tests::test_too_long_name ... ok [INFO] [stdout] test id_macros::tests::test_interface ... ok [INFO] [stdout] test id_macros::tests::test_empty_name ... ok [INFO] [stdout] test core::dm::tests::sudo_test_versions ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_set_uuid ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_table_status_non_existant_table ... FAILED [INFO] [stdout] test core::dm::tests::sudo_test_version ... FAILED [INFO] [stdout] test lineardev::tests::loop_test_duplicate_segments ... FAILED [INFO] [stdout] test lineardev::tests::loop_test_empty ... FAILED [INFO] [stdout] test range_macros::tests::test_addition ... ok [INFO] [stdout] test range_macros::tests::test_division_and_remainder ... ok [INFO] [stdout] test range_macros::tests::test_explicit_derivations ... ok [INFO] [stdout] test range_macros::tests::test_implicit_derivations ... ok [INFO] [stdout] test lineardev::tests::loop_test_several_segments ... FAILED [INFO] [stdout] test range_macros::tests::test_multiplication ... ok [INFO] [stdout] test range_macros::tests::test_subtraction ... ok [INFO] [stdout] test range_macros::tests::test_summary_operations ... ok [INFO] [stdout] test lineardev::tests::loop_test_suspend ... FAILED [INFO] [stdout] test lineardev::tests::loop_test_empty_table_set ... FAILED [INFO] [stdout] test lineardev::tests::loop_test_rename ... FAILED [INFO] [stdout] test lineardev::tests::loop_test_rename_id ... FAILED [INFO] [stdout] test lineardev::tests::loop_test_segment ... FAILED [INFO] [stdout] test lineardev::tests::loop_test_same_name ... FAILED [INFO] [stdout] test thindev::tests::loop_test_filesystem ... FAILED [INFO] [stdout] test thindev::tests::loop_test_basic_udev ... FAILED [INFO] [stdout] test thindev::tests::loop_test_basic ... FAILED [INFO] [stdout] test thindev::tests::loop_test_setup_without_new ... FAILED [INFO] [stdout] test thindev::tests::loop_test_zero_size ... FAILED [INFO] [stdout] test thindevid::tests::test_new_checked_u64 ... ok [INFO] [stdout] test thindev::tests::loop_test_snapshot ... FAILED [INFO] [stdout] test thinpooldev::tests::loop_test_set_data ... FAILED [INFO] [stdout] test thinpooldev::tests::loop_test_suspend ... FAILED [INFO] [stdout] test thindev::tests::loop_test_thindev_destroy ... FAILED [INFO] [stdout] test thindev::tests::loop_test_snapshot_usage ... FAILED [INFO] [stdout] test thinpooldev::tests::loop_test_basic ... FAILED [INFO] [stdout] test thinpooldev::tests::loop_test_set_meta ... FAILED [INFO] [stdout] test thinpooldev::tests::loop_test_low_data_block_size ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_create stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_create' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_create::hf0bf0ecdcbf6e4b1 (0x55772431f434) [INFO] [stdout] at src/core/dm.rs:764 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_create::{{closure}}::h4ebaf0e23bff63d9 (0x55772431f40a) [INFO] [stdout] at src/core/dm.rs:763 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h5d74b9f4aa3563af (0x5577242a26ee) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431f452 - devicemapper::core::dm::tests::sudo_test_create::hf0bf0ecdcbf6e4b1 [INFO] [stdout] at src/core/dm.rs:764 [INFO] [stdout] 13: 0x55772431f40a - devicemapper::core::dm::tests::sudo_test_create::{{closure}}::h4ebaf0e23bff63d9 [INFO] [stdout] at src/core/dm.rs:763 [INFO] [stdout] 14: 0x5577242a26ee - core::ops::function::FnOnce::call_once::h5d74b9f4aa3563af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_create_uuid stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_create_uuid' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_create_uuid::hba03b71f6d394e1d (0x55772431f8b4) [INFO] [stdout] at src/core/dm.rs:775 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_create_uuid::{{closure}}::h68e37ded78483994 (0x55772431f88a) [INFO] [stdout] at src/core/dm.rs:774 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h283b0692db46ea5e (0x5577242a244e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431f8d2 - devicemapper::core::dm::tests::sudo_test_create_uuid::hba03b71f6d394e1d [INFO] [stdout] at src/core/dm.rs:775 [INFO] [stdout] 13: 0x55772431f88a - devicemapper::core::dm::tests::sudo_test_create_uuid::{{closure}}::h68e37ded78483994 [INFO] [stdout] at src/core/dm.rs:774 [INFO] [stdout] 14: 0x5577242a244e - core::ops::function::FnOnce::call_once::h283b0692db46ea5e [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_status_no_name stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_status_no_name' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_status_no_name::h24b81844912a13a7 (0x5577243240ac) [INFO] [stdout] at src/core/dm.rs:991 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_status_no_name::{{closure}}::ha3a66a9f21fdf778 (0x55772432403a) [INFO] [stdout] at src/core/dm.rs:988 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h86a339dcad8ebf5a (0x5577242a290e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243240bb - devicemapper::core::dm::tests::sudo_status_no_name::h24b81844912a13a7 [INFO] [stdout] at src/core/dm.rs:991 [INFO] [stdout] 13: 0x55772432403a - devicemapper::core::dm::tests::sudo_status_no_name::{{closure}}::ha3a66a9f21fdf778 [INFO] [stdout] at src/core/dm.rs:988 [INFO] [stdout] 14: 0x5577242a290e - core::ops::function::FnOnce::call_once::h86a339dcad8ebf5a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_double_creation stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_double_creation' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_double_creation::hba0cc30db6a77ce3 (0x55772432435a) [INFO] [stdout] at src/core/dm.rs:1000 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_double_creation::{{closure}}::h34069ebecd9f0c42 (0x55772432432a) [INFO] [stdout] at src/core/dm.rs:999 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h4ba95a252b4e3c53 (0x5577242a262e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724324378 - devicemapper::core::dm::tests::sudo_test_double_creation::hba0cc30db6a77ce3 [INFO] [stdout] at src/core/dm.rs:1000 [INFO] [stdout] 13: 0x55772432432a - devicemapper::core::dm::tests::sudo_test_double_creation::{{closure}}::h34069ebecd9f0c42 [INFO] [stdout] at src/core/dm.rs:999 [INFO] [stdout] 14: 0x5577242a262e - core::ops::function::FnOnce::call_once::h4ba95a252b4e3c53 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_empty_deps stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_empty_deps' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_empty_deps::h58261f8e96dcde30 (0x557724323031) [INFO] [stdout] at src/core/dm.rs:927 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_empty_deps::{{closure}}::ha3cbec9f0c900789 (0x55772432300a) [INFO] [stdout] at src/core/dm.rs:926 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h12c8d2a6c015c388 (0x5577242a228e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772432304c - devicemapper::core::dm::tests::sudo_test_empty_deps::h58261f8e96dcde30 [INFO] [stdout] at src/core/dm.rs:927 [INFO] [stdout] 13: 0x55772432300a - devicemapper::core::dm::tests::sudo_test_empty_deps::{{closure}}::ha3cbec9f0c900789 [INFO] [stdout] at src/core/dm.rs:926 [INFO] [stdout] 14: 0x5577242a228e - core::ops::function::FnOnce::call_once::h12c8d2a6c015c388 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_list_devices stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_list_devices' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_list_devices::h431dd106830dec7b (0x55772431ec14) [INFO] [stdout] at src/core/dm.rs:746 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_list_devices::{{closure}}::h144d11d38847dd48 (0x55772431ebea) [INFO] [stdout] at src/core/dm.rs:745 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h4dc796fe0c9f5223 (0x5577242a266e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431ec32 - devicemapper::core::dm::tests::sudo_test_list_devices::h431dd106830dec7b [INFO] [stdout] at src/core/dm.rs:746 [INFO] [stdout] 13: 0x55772431ebea - devicemapper::core::dm::tests::sudo_test_list_devices::{{closure}}::h144d11d38847dd48 [INFO] [stdout] at src/core/dm.rs:745 [INFO] [stdout] 14: 0x5577242a266e - core::ops::function::FnOnce::call_once::h4dc796fe0c9f5223 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_list_devices_empty stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_list_devices_empty' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_list_devices_empty::h7a2c422bdc551ae7 (0x55772431eaf4) [INFO] [stdout] at src/core/dm.rs:739 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_list_devices_empty::{{closure}}::h9b0c1f7cc7ec2390 (0x55772431eaca) [INFO] [stdout] at src/core/dm.rs:738 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::he261d0ec8117af2b (0x5577242a2dde) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431eb12 - devicemapper::core::dm::tests::sudo_test_list_devices_empty::h7a2c422bdc551ae7 [INFO] [stdout] at src/core/dm.rs:739 [INFO] [stdout] 13: 0x55772431eaca - devicemapper::core::dm::tests::sudo_test_list_devices_empty::{{closure}}::h9b0c1f7cc7ec2390 [INFO] [stdout] at src/core/dm.rs:738 [INFO] [stdout] 14: 0x5577242a2dde - core::ops::function::FnOnce::call_once::he261d0ec8117af2b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- cachedev::tests::loop_test_minimal_cache_dev stdout ---- [INFO] [stdout] thread 'cachedev::tests::loop_test_minimal_cache_dev' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::testing::test_lib::get_dm::{{closure}}::hb250ec2987029044 (0x557724308611) [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 9: std::sync::once::Once::call_once::{{closure}}::h68cbe32bda873877 (0x557724356ad9) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: std::sync::once::Once::call_inner::hde4abddfc46a9f17 (0x5577244a3b24) [INFO] [stdout] at src/libstd/sync/once.rs:392 [INFO] [stdout] 11: std::sync::once::Once::call_once::h8b56412d4336d441 (0x557724356a59) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 12: devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 (0x5577243085b3) [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 13: core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a (0x5577242a2609) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 14: std::panicking::try::do_call::h7b4233c6bb02e51d (0x55772430e81c) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 15: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 16: std::panicking::try::h1ff0640a67443c77 (0x55772430bd18) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 17: std::panic::catch_unwind::h29257465be2d0fe0 (0x5577242c77d1) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 18: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x557724309486) [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 19: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 20: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 21: devicemapper::testing::loopbacked::test_with_spec::h5a2ec165874cf5d1 (0x55772431248e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 22: devicemapper::cachedev::tests::loop_test_minimal_cache_dev::h4e2a86d8027ad902 (0x55772429f40b) [INFO] [stdout] at src/cachedev.rs:885 [INFO] [stdout] 23: devicemapper::cachedev::tests::loop_test_minimal_cache_dev::{{closure}}::h2231ee04ed027e43 (0x55772429f3ea) [INFO] [stdout] at src/cachedev.rs:884 [INFO] [stdout] 24: core::ops::function::FnOnce::call_once::h10cd07e8300aefca (0x5577242a224e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 25: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 26: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 27: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 30: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 31: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 32: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 33: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: start_thread (0x7f6770c504a4) [INFO] [stdout] 35: __clone (0x7f677077bd0f) [INFO] [stdout] 36: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772430861b - devicemapper::testing::test_lib::get_dm::{{closure}}::hb250ec2987029044 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 13: 0x557724356ad9 - std::sync::once::Once::call_once::{{closure}}::h68cbe32bda873877 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 14: 0x5577244a3b24 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:392 [INFO] [stdout] 15: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 16: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 17: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 19: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 20: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 21: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 23: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 24: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 25: 0x55772431248e - devicemapper::testing::loopbacked::test_with_spec::h5a2ec165874cf5d1 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 26: 0x55772429f40b - devicemapper::cachedev::tests::loop_test_minimal_cache_dev::h4e2a86d8027ad902 [INFO] [stdout] at src/cachedev.rs:885 [INFO] [stdout] 27: 0x55772429f3ea - devicemapper::cachedev::tests::loop_test_minimal_cache_dev::{{closure}}::h2231ee04ed027e43 [INFO] [stdout] at src/cachedev.rs:884 [INFO] [stdout] 28: 0x5577242a224e - core::ops::function::FnOnce::call_once::h10cd07e8300aefca [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 31: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 32: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 34: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 37: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 38: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 39: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 43: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 44: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7f6770c504a4 - start_thread [INFO] [stdout] 48: 0x7f677077bd0f - __clone [INFO] [stdout] 49: 0x0 - [INFO] [stdout] thread 'cachedev::tests::loop_test_minimal_cache_dev' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h5a2ec165874cf5d1 (0x55772431248e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_minimal_cache_dev::h4e2a86d8027ad902 (0x55772429f40b) [INFO] [stdout] at src/cachedev.rs:885 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_minimal_cache_dev::{{closure}}::h2231ee04ed027e43 (0x55772429f3ea) [INFO] [stdout] at src/cachedev.rs:884 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h10cd07e8300aefca (0x5577242a224e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h5a2ec165874cf5d1 (0x55772431248e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_minimal_cache_dev::h4e2a86d8027ad902 (0x55772429f40b) [INFO] [stdout] at src/cachedev.rs:885 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_minimal_cache_dev::{{closure}}::h2231ee04ed027e43 (0x55772429f3ea) [INFO] [stdout] at src/cachedev.rs:884 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h10cd07e8300aefca (0x5577242a224e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243124ac - devicemapper::testing::loopbacked::test_with_spec::h5a2ec165874cf5d1 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772429f40b - devicemapper::cachedev::tests::loop_test_minimal_cache_dev::h4e2a86d8027ad902 [INFO] [stdout] at src/cachedev.rs:885 [INFO] [stdout] 14: 0x55772429f3ea - devicemapper::cachedev::tests::loop_test_minimal_cache_dev::{{closure}}::h2231ee04ed027e43 [INFO] [stdout] at src/cachedev.rs:884 [INFO] [stdout] 15: 0x5577242a224e - core::ops::function::FnOnce::call_once::h10cd07e8300aefca [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- cachedev::tests::loop_test_suspend stdout ---- [INFO] [stdout] thread 'cachedev::tests::loop_test_suspend' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431578e - devicemapper::testing::loopbacked::test_with_spec::h9aa5554da2735e2b [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772429f4cb - devicemapper::cachedev::tests::loop_test_suspend::hef78de31767f9740 [INFO] [stdout] at src/cachedev.rs:1063 [INFO] [stdout] 21: 0x55772429f4aa - devicemapper::cachedev::tests::loop_test_suspend::{{closure}}::ha8c77774d9bd2ace [INFO] [stdout] at src/cachedev.rs:1062 [INFO] [stdout] 22: 0x5577242a2f1e - core::ops::function::FnOnce::call_once::hee2a05c8ad54f9d8 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'cachedev::tests::loop_test_suspend' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h9aa5554da2735e2b (0x55772431578e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_suspend::hef78de31767f9740 (0x55772429f4cb) [INFO] [stdout] at src/cachedev.rs:1063 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_suspend::{{closure}}::ha8c77774d9bd2ace (0x55772429f4aa) [INFO] [stdout] at src/cachedev.rs:1062 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hee2a05c8ad54f9d8 (0x5577242a2f1e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h9aa5554da2735e2b (0x55772431578e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_suspend::hef78de31767f9740 (0x55772429f4cb) [INFO] [stdout] at src/cachedev.rs:1063 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_suspend::{{closure}}::ha8c77774d9bd2ace (0x55772429f4aa) [INFO] [stdout] at src/cachedev.rs:1062 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hee2a05c8ad54f9d8 (0x5577242a2f1e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243157ac - devicemapper::testing::loopbacked::test_with_spec::h9aa5554da2735e2b [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772429f4cb - devicemapper::cachedev::tests::loop_test_suspend::hef78de31767f9740 [INFO] [stdout] at src/cachedev.rs:1063 [INFO] [stdout] 14: 0x55772429f4aa - devicemapper::cachedev::tests::loop_test_suspend::{{closure}}::ha8c77774d9bd2ace [INFO] [stdout] at src/cachedev.rs:1062 [INFO] [stdout] 15: 0x5577242a2f1e - core::ops::function::FnOnce::call_once::hee2a05c8ad54f9d8 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_remove_non_existant stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_remove_non_existant' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_remove_non_existant::h622b9513712ae11c (0x557724322d24) [INFO] [stdout] at src/core/dm.rs:916 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_remove_non_existant::{{closure}}::h0cc43095975dc328 (0x557724322cfa) [INFO] [stdout] at src/core/dm.rs:914 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h2d75628c0e097d63 (0x5577242a250e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724322d42 - devicemapper::core::dm::tests::sudo_test_remove_non_existant::h622b9513712ae11c [INFO] [stdout] at src/core/dm.rs:916 [INFO] [stdout] 13: 0x557724322cfa - devicemapper::core::dm::tests::sudo_test_remove_non_existant::{{closure}}::h0cc43095975dc328 [INFO] [stdout] at src/core/dm.rs:914 [INFO] [stdout] 14: 0x5577242a250e - core::ops::function::FnOnce::call_once::h2d75628c0e097d63 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_rename_non_existant stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_rename_non_existant' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_rename_non_existant::h713f07bbbccce1ab (0x5577243229d2) [INFO] [stdout] at src/core/dm.rs:904 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_rename_non_existant::{{closure}}::h85aee71668fcfeea (0x55772432295a) [INFO] [stdout] at src/core/dm.rs:901 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h998de29508b30514 (0x5577242a2a9e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243229e1 - devicemapper::core::dm::tests::sudo_test_rename_non_existant::h713f07bbbccce1ab [INFO] [stdout] at src/core/dm.rs:904 [INFO] [stdout] 13: 0x55772432295a - devicemapper::core::dm::tests::sudo_test_rename_non_existant::{{closure}}::h85aee71668fcfeea [INFO] [stdout] at src/core/dm.rs:901 [INFO] [stdout] 14: 0x5577242a2a9e - core::ops::function::FnOnce::call_once::h998de29508b30514 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_rename_id stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_rename_id' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_rename_id::hb28d7a540ae0de77 (0x5577243214f4) [INFO] [stdout] at src/core/dm.rs:848 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_rename_id::{{closure}}::h4090aeab1470cc9c (0x5577243214ca) [INFO] [stdout] at src/core/dm.rs:847 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::hd5822428d18ffd80 (0x5577242a2cde) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724321512 - devicemapper::core::dm::tests::sudo_test_rename_id::hb28d7a540ae0de77 [INFO] [stdout] at src/core/dm.rs:848 [INFO] [stdout] 13: 0x5577243214ca - devicemapper::core::dm::tests::sudo_test_rename_id::{{closure}}::h4090aeab1470cc9c [INFO] [stdout] at src/core/dm.rs:847 [INFO] [stdout] 14: 0x5577242a2cde - core::ops::function::FnOnce::call_once::hd5822428d18ffd80 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- cachedev::tests::loop_test_cache_size_change stdout ---- [INFO] [stdout] thread 'cachedev::tests::loop_test_cache_size_change' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431314e - devicemapper::testing::loopbacked::test_with_spec::h62820c7450f18a35 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772429f46b - devicemapper::cachedev::tests::loop_test_cache_size_change::h9835ccd26175986b [INFO] [stdout] at src/cachedev.rs:1007 [INFO] [stdout] 21: 0x55772429f44a - devicemapper::cachedev::tests::loop_test_cache_size_change::{{closure}}::hed646a2ca98f1960 [INFO] [stdout] at src/cachedev.rs:1006 [INFO] [stdout] 22: 0x5577242a23ce - core::ops::function::FnOnce::call_once::h222c5640f30a4584 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'cachedev::tests::loop_test_cache_size_change' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h62820c7450f18a35 (0x55772431314e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_cache_size_change::h9835ccd26175986b (0x55772429f46b) [INFO] [stdout] at src/cachedev.rs:1007 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_cache_size_change::{{closure}}::hed646a2ca98f1960 (0x55772429f44a) [INFO] [stdout] at src/cachedev.rs:1006 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h222c5640f30a4584 (0x5577242a23ce) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h62820c7450f18a35 (0x55772431314e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_cache_size_change::h9835ccd26175986b (0x55772429f46b) [INFO] [stdout] at src/cachedev.rs:1007 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_cache_size_change::{{closure}}::hed646a2ca98f1960 (0x55772429f44a) [INFO] [stdout] at src/cachedev.rs:1006 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h222c5640f30a4584 (0x5577242a23ce) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431316c - devicemapper::testing::loopbacked::test_with_spec::h62820c7450f18a35 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772429f46b - devicemapper::cachedev::tests::loop_test_cache_size_change::h9835ccd26175986b [INFO] [stdout] at src/cachedev.rs:1007 [INFO] [stdout] 14: 0x55772429f44a - devicemapper::cachedev::tests::loop_test_cache_size_change::{{closure}}::hed646a2ca98f1960 [INFO] [stdout] at src/cachedev.rs:1006 [INFO] [stdout] 15: 0x5577242a23ce - core::ops::function::FnOnce::call_once::h222c5640f30a4584 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- cachedev::tests::loop_test_meta_size_change stdout ---- [INFO] [stdout] thread 'cachedev::tests::loop_test_meta_size_change' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724315bce - devicemapper::testing::loopbacked::test_with_spec::ha363eff395978373 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772429f43b - devicemapper::cachedev::tests::loop_test_meta_size_change::hf48f92199f5a9502 [INFO] [stdout] at src/cachedev.rs:938 [INFO] [stdout] 21: 0x55772429f41a - devicemapper::cachedev::tests::loop_test_meta_size_change::{{closure}}::h5dc385a5c619c4c9 [INFO] [stdout] at src/cachedev.rs:937 [INFO] [stdout] 22: 0x5577242a234e - core::ops::function::FnOnce::call_once::h1a69d9f64ee9a7c3 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'cachedev::tests::loop_test_meta_size_change' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::ha363eff395978373 (0x557724315bce) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_meta_size_change::hf48f92199f5a9502 (0x55772429f43b) [INFO] [stdout] at src/cachedev.rs:938 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_meta_size_change::{{closure}}::h5dc385a5c619c4c9 (0x55772429f41a) [INFO] [stdout] at src/cachedev.rs:937 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h1a69d9f64ee9a7c3 (0x5577242a234e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::ha363eff395978373 (0x557724315bce) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_meta_size_change::hf48f92199f5a9502 (0x55772429f43b) [INFO] [stdout] at src/cachedev.rs:938 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_meta_size_change::{{closure}}::h5dc385a5c619c4c9 (0x55772429f41a) [INFO] [stdout] at src/cachedev.rs:937 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h1a69d9f64ee9a7c3 (0x5577242a234e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724315bec - devicemapper::testing::loopbacked::test_with_spec::ha363eff395978373 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772429f43b - devicemapper::cachedev::tests::loop_test_meta_size_change::hf48f92199f5a9502 [INFO] [stdout] at src/cachedev.rs:938 [INFO] [stdout] 14: 0x55772429f41a - devicemapper::cachedev::tests::loop_test_meta_size_change::{{closure}}::h5dc385a5c619c4c9 [INFO] [stdout] at src/cachedev.rs:937 [INFO] [stdout] 15: 0x5577242a234e - core::ops::function::FnOnce::call_once::h1a69d9f64ee9a7c3 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_rename_uuid_id stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_rename_uuid_id' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_rename_uuid_id::h2a420211202507a0 (0x557724320624) [INFO] [stdout] at src/core/dm.rs:810 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_rename_uuid_id::{{closure}}::h3fa473e5c2addfcf (0x5577243205fa) [INFO] [stdout] at src/core/dm.rs:809 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h5d75071e0c605fdc (0x5577242a272e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724320642 - devicemapper::core::dm::tests::sudo_test_rename_uuid_id::h2a420211202507a0 [INFO] [stdout] at src/core/dm.rs:810 [INFO] [stdout] 13: 0x5577243205fa - devicemapper::core::dm::tests::sudo_test_rename_uuid_id::{{closure}}::h3fa473e5c2addfcf [INFO] [stdout] at src/core/dm.rs:809 [INFO] [stdout] 14: 0x5577242a272e - core::ops::function::FnOnce::call_once::h5d75071e0c605fdc [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- cachedev::tests::loop_test_origin_size_change stdout ---- [INFO] [stdout] thread 'cachedev::tests::loop_test_origin_size_change' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431534e - devicemapper::testing::loopbacked::test_with_spec::h89f83c5c056e2531 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772429f49b - devicemapper::cachedev::tests::loop_test_origin_size_change::h21a6613b56589175 [INFO] [stdout] at src/cachedev.rs:1045 [INFO] [stdout] 21: 0x55772429f47a - devicemapper::cachedev::tests::loop_test_origin_size_change::{{closure}}::hf410ed27ad1a0467 [INFO] [stdout] at src/cachedev.rs:1044 [INFO] [stdout] 22: 0x5577242a301e - core::ops::function::FnOnce::call_once::hf21b409af2aee01c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'cachedev::tests::loop_test_origin_size_change' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h89f83c5c056e2531 (0x55772431534e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_origin_size_change::h21a6613b56589175 (0x55772429f49b) [INFO] [stdout] at src/cachedev.rs:1045 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_origin_size_change::{{closure}}::hf410ed27ad1a0467 (0x55772429f47a) [INFO] [stdout] at src/cachedev.rs:1044 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hf21b409af2aee01c (0x5577242a301e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h89f83c5c056e2531 (0x55772431534e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::cachedev::tests::loop_test_origin_size_change::h21a6613b56589175 (0x55772429f49b) [INFO] [stdout] at src/cachedev.rs:1045 [INFO] [stdout] 10: devicemapper::cachedev::tests::loop_test_origin_size_change::{{closure}}::hf410ed27ad1a0467 (0x55772429f47a) [INFO] [stdout] at src/cachedev.rs:1044 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hf21b409af2aee01c (0x5577242a301e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431536c - devicemapper::testing::loopbacked::test_with_spec::h89f83c5c056e2531 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772429f49b - devicemapper::cachedev::tests::loop_test_origin_size_change::h21a6613b56589175 [INFO] [stdout] at src/cachedev.rs:1045 [INFO] [stdout] 14: 0x55772429f47a - devicemapper::cachedev::tests::loop_test_origin_size_change::{{closure}}::hf410ed27ad1a0467 [INFO] [stdout] at src/cachedev.rs:1044 [INFO] [stdout] 15: 0x5577242a301e - core::ops::function::FnOnce::call_once::hf21b409af2aee01c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_rename_uuid stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_rename_uuid' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_rename_uuid::hfa3468a553c2ec38 (0x557724320054) [INFO] [stdout] at src/core/dm.rs:790 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_rename_uuid::{{closure}}::h07238b5de58ab98c (0x55772432002a) [INFO] [stdout] at src/core/dm.rs:789 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::hb812545b94b2973a (0x5577242a2bde) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724320072 - devicemapper::core::dm::tests::sudo_test_rename_uuid::hfa3468a553c2ec38 [INFO] [stdout] at src/core/dm.rs:790 [INFO] [stdout] 13: 0x55772432002a - devicemapper::core::dm::tests::sudo_test_rename_uuid::{{closure}}::h07238b5de58ab98c [INFO] [stdout] at src/core/dm.rs:789 [INFO] [stdout] 14: 0x5577242a2bde - core::ops::function::FnOnce::call_once::hb812545b94b2973a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_rename stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_rename' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_rename::h338aecd69e46eb4c (0x5577243219ba) [INFO] [stdout] at src/core/dm.rs:866 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_rename::{{closure}}::h76671dc4367b09dc (0x55772432198a) [INFO] [stdout] at src/core/dm.rs:865 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::hf0da3add7b9820e1 (0x5577242a2f9e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243219d8 - devicemapper::core::dm::tests::sudo_test_rename::h338aecd69e46eb4c [INFO] [stdout] at src/core/dm.rs:866 [INFO] [stdout] 13: 0x55772432198a - devicemapper::core::dm::tests::sudo_test_rename::{{closure}}::h76671dc4367b09dc [INFO] [stdout] at src/core/dm.rs:865 [INFO] [stdout] 14: 0x5577242a2f9e - core::ops::function::FnOnce::call_once::hf0da3add7b9820e1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_table_status_non_existant stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_table_status_non_existant' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_table_status_non_existant::h6251861df7832ee7 (0x5577243233a4) [INFO] [stdout] at src/core/dm.rs:943 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_table_status_non_existant::{{closure}}::h0df83fb6bd4c1b3e (0x55772432337a) [INFO] [stdout] at src/core/dm.rs:941 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h0dd85b627600d206 (0x5577242a21ce) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243233c2 - devicemapper::core::dm::tests::sudo_test_table_status_non_existant::h6251861df7832ee7 [INFO] [stdout] at src/core/dm.rs:943 [INFO] [stdout] 13: 0x55772432337a - devicemapper::core::dm::tests::sudo_test_table_status_non_existant::{{closure}}::h0df83fb6bd4c1b3e [INFO] [stdout] at src/core/dm.rs:941 [INFO] [stdout] 14: 0x5577242a21ce - core::ops::function::FnOnce::call_once::h0dd85b627600d206 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_table_status stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_table_status' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_table_status::hafb7ee9939a8b937 (0x5577243239f4) [INFO] [stdout] at src/core/dm.rs:970 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_table_status::{{closure}}::h356841e524d33828 (0x5577243239ca) [INFO] [stdout] at src/core/dm.rs:969 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h256061bbc2ea70e6 (0x5577242a240e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724323a12 - devicemapper::core::dm::tests::sudo_test_table_status::hafb7ee9939a8b937 [INFO] [stdout] at src/core/dm.rs:970 [INFO] [stdout] 13: 0x5577243239ca - devicemapper::core::dm::tests::sudo_test_table_status::{{closure}}::h356841e524d33828 [INFO] [stdout] at src/core/dm.rs:969 [INFO] [stdout] 14: 0x5577242a240e - core::ops::function::FnOnce::call_once::h256061bbc2ea70e6 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_versions stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_versions' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_versions::h607625771ebe837c (0x55772431e9d4) [INFO] [stdout] at src/core/dm.rs:733 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_versions::{{closure}}::hfe33a5cf1a640b34 (0x55772431e9aa) [INFO] [stdout] at src/core/dm.rs:732 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::heed0578f8c9d7470 (0x5577242a2f5e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431e9f2 - devicemapper::core::dm::tests::sudo_test_versions::h607625771ebe837c [INFO] [stdout] at src/core/dm.rs:733 [INFO] [stdout] 13: 0x55772431e9aa - devicemapper::core::dm::tests::sudo_test_versions::{{closure}}::hfe33a5cf1a640b34 [INFO] [stdout] at src/core/dm.rs:732 [INFO] [stdout] 14: 0x5577242a2f5e - core::ops::function::FnOnce::call_once::heed0578f8c9d7470 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_set_uuid stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_set_uuid' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_set_uuid::h2271dc37f43991dc (0x557724320b84) [INFO] [stdout] at src/core/dm.rs:828 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_set_uuid::{{closure}}::h1b41d26c357bb955 (0x557724320b5a) [INFO] [stdout] at src/core/dm.rs:827 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h9838b131eb4e5b5b (0x5577242a2a5e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724320ba2 - devicemapper::core::dm::tests::sudo_test_set_uuid::h2271dc37f43991dc [INFO] [stdout] at src/core/dm.rs:828 [INFO] [stdout] 13: 0x557724320b5a - devicemapper::core::dm::tests::sudo_test_set_uuid::{{closure}}::h1b41d26c357bb955 [INFO] [stdout] at src/core/dm.rs:827 [INFO] [stdout] 14: 0x5577242a2a5e - core::ops::function::FnOnce::call_once::h9838b131eb4e5b5b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_table_status_non_existant_table stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_table_status_non_existant_table' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_table_status_non_existant_table::h3c96f5d0ebcc6e69 (0x5577243236fc) [INFO] [stdout] at src/core/dm.rs:956 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_table_status_non_existant_table::{{closure}}::h5b112e3b8a27459b (0x55772432368a) [INFO] [stdout] at src/core/dm.rs:953 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h19b12f84265992b1 (0x5577242a230e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772432370b - devicemapper::core::dm::tests::sudo_test_table_status_non_existant_table::h3c96f5d0ebcc6e69 [INFO] [stdout] at src/core/dm.rs:956 [INFO] [stdout] 13: 0x55772432368a - devicemapper::core::dm::tests::sudo_test_table_status_non_existant_table::{{closure}}::h5b112e3b8a27459b [INFO] [stdout] at src/core/dm.rs:953 [INFO] [stdout] 14: 0x5577242a230e - core::ops::function::FnOnce::call_once::h19b12f84265992b1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- core::dm::tests::sudo_test_version stdout ---- [INFO] [stdout] thread 'core::dm::tests::sudo_test_version' panicked at 'called `Result::unwrap()` on an `Err` value: Core(Error(ContextInitError(Os { code: 2, kind: NotFound, message: "No such file or directory" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::core::errors::Error::from_kind::h3b11ba7e038f4dca (0x5577242abf1b) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h9c19447bee8462e2 (0x5577242ac038) [INFO] [stdout] at src/core/errors.rs:11 [INFO] [stdout] 4: >::into::h73004544b002983f (0x5577242a9a98) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::core::dm::DM::new::{{closure}}::h566047851dbd1aa8 (0x5577242dabcf) [INFO] [stdout] at src/core/dm.rs:72 [INFO] [stdout] 6: core::result::Result::map_err::h25ef94226828e9ae (0x55772434d62b) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 7: devicemapper::core::dm::DM::new::hff3bd533827e3ef9 (0x5577242da9ba) [INFO] [stdout] at src/core/dm.rs:71 [INFO] [stdout] 8: devicemapper::core::dm::tests::sudo_test_version::h476cb7489212b599 (0x55772431e8c1) [INFO] [stdout] at src/core/dm.rs:727 [INFO] [stdout] 9: devicemapper::core::dm::tests::sudo_test_version::{{closure}}::h0c6e3bc523b86662 (0x55772431e89a) [INFO] [stdout] at src/core/dm.rs:726 [INFO] [stdout] 10: core::ops::function::FnOnce::call_once::h8dda02d120cfeec1 (0x5577242a298e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 12: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 13: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 16: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 20: start_thread (0x7f6770c504a4) [INFO] [stdout] 21: __clone (0x7f677077bd0f) [INFO] [stdout] 22: (0x0)) } }))', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346143 - core::result::unwrap_failed::h48f3cd2f671537fd [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b8b7 - core::result::Result::unwrap::h7bfdd0864f25c15b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431e8dc - devicemapper::core::dm::tests::sudo_test_version::h476cb7489212b599 [INFO] [stdout] at src/core/dm.rs:727 [INFO] [stdout] 13: 0x55772431e89a - devicemapper::core::dm::tests::sudo_test_version::{{closure}}::h0c6e3bc523b86662 [INFO] [stdout] at src/core/dm.rs:726 [INFO] [stdout] 14: 0x5577242a298e - core::ops::function::FnOnce::call_once::h8dda02d120cfeec1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 16: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 20: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f6770c504a4 - start_thread [INFO] [stdout] 34: 0x7f677077bd0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_duplicate_segments stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_duplicate_segments' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431754e - devicemapper::testing::loopbacked::test_with_spec::hdf391eaad08d9376 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb02b - devicemapper::lineardev::tests::loop_test_duplicate_segments::hb7e2017f6034eb6f [INFO] [stdout] at src/lineardev.rs:712 [INFO] [stdout] 21: 0x5577242fb00a - devicemapper::lineardev::tests::loop_test_duplicate_segments::{{closure}}::h6786fb179fce2bf4 [INFO] [stdout] at src/lineardev.rs:711 [INFO] [stdout] 22: 0x5577242a254e - core::ops::function::FnOnce::call_once::h32b05e93529a6a6e [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_duplicate_segments' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hdf391eaad08d9376 (0x55772431754e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_duplicate_segments::hb7e2017f6034eb6f (0x5577242fb02b) [INFO] [stdout] at src/lineardev.rs:712 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_duplicate_segments::{{closure}}::h6786fb179fce2bf4 (0x5577242fb00a) [INFO] [stdout] at src/lineardev.rs:711 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h32b05e93529a6a6e (0x5577242a254e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hdf391eaad08d9376 (0x55772431754e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_duplicate_segments::hb7e2017f6034eb6f (0x5577242fb02b) [INFO] [stdout] at src/lineardev.rs:712 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_duplicate_segments::{{closure}}::h6786fb179fce2bf4 (0x5577242fb00a) [INFO] [stdout] at src/lineardev.rs:711 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h32b05e93529a6a6e (0x5577242a254e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431756c - devicemapper::testing::loopbacked::test_with_spec::hdf391eaad08d9376 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb02b - devicemapper::lineardev::tests::loop_test_duplicate_segments::hb7e2017f6034eb6f [INFO] [stdout] at src/lineardev.rs:712 [INFO] [stdout] 14: 0x5577242fb00a - devicemapper::lineardev::tests::loop_test_duplicate_segments::{{closure}}::h6786fb179fce2bf4 [INFO] [stdout] at src/lineardev.rs:711 [INFO] [stdout] 15: 0x5577242a254e - core::ops::function::FnOnce::call_once::h32b05e93529a6a6e [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_empty stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_empty' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431204e - devicemapper::testing::loopbacked::test_with_spec::h5a164929a1f1cd09 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb058 - devicemapper::lineardev::tests::loop_test_empty::h3b791e00d05c14d2 [INFO] [stdout] at src/lineardev.rs:717 [INFO] [stdout] 21: 0x5577242fb03a - devicemapper::lineardev::tests::loop_test_empty::{{closure}}::hebbd16afbc01fa8b [INFO] [stdout] at src/lineardev.rs:716 [INFO] [stdout] 22: 0x5577242a258e - core::ops::function::FnOnce::call_once::h4130f354b81d4740 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_empty' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h5a164929a1f1cd09 (0x55772431204e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_empty::h3b791e00d05c14d2 (0x5577242fb058) [INFO] [stdout] at src/lineardev.rs:717 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_empty::{{closure}}::hebbd16afbc01fa8b (0x5577242fb03a) [INFO] [stdout] at src/lineardev.rs:716 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h4130f354b81d4740 (0x5577242a258e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h5a164929a1f1cd09 (0x55772431204e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_empty::h3b791e00d05c14d2 (0x5577242fb058) [INFO] [stdout] at src/lineardev.rs:717 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_empty::{{closure}}::hebbd16afbc01fa8b (0x5577242fb03a) [INFO] [stdout] at src/lineardev.rs:716 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h4130f354b81d4740 (0x5577242a258e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431206c - devicemapper::testing::loopbacked::test_with_spec::h5a164929a1f1cd09 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb058 - devicemapper::lineardev::tests::loop_test_empty::h3b791e00d05c14d2 [INFO] [stdout] at src/lineardev.rs:717 [INFO] [stdout] 14: 0x5577242fb03a - devicemapper::lineardev::tests::loop_test_empty::{{closure}}::hebbd16afbc01fa8b [INFO] [stdout] at src/lineardev.rs:716 [INFO] [stdout] 15: 0x5577242a258e - core::ops::function::FnOnce::call_once::h4130f354b81d4740 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_several_segments stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_several_segments' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431468e - devicemapper::testing::loopbacked::test_with_spec::h82ca288e7e67c4b1 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb17b - devicemapper::lineardev::tests::loop_test_several_segments::h8df677e3801402f4 [INFO] [stdout] at src/lineardev.rs:747 [INFO] [stdout] 21: 0x5577242fb15a - devicemapper::lineardev::tests::loop_test_several_segments::{{closure}}::h9cbbb6757a7fe307 [INFO] [stdout] at src/lineardev.rs:746 [INFO] [stdout] 22: 0x5577242a27ae - core::ops::function::FnOnce::call_once::h6cae2d6d297ff549 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_several_segments' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h82ca288e7e67c4b1 (0x55772431468e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_several_segments::h8df677e3801402f4 (0x5577242fb17b) [INFO] [stdout] at src/lineardev.rs:747 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_several_segments::{{closure}}::h9cbbb6757a7fe307 (0x5577242fb15a) [INFO] [stdout] at src/lineardev.rs:746 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h6cae2d6d297ff549 (0x5577242a27ae) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h82ca288e7e67c4b1 (0x55772431468e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_several_segments::h8df677e3801402f4 (0x5577242fb17b) [INFO] [stdout] at src/lineardev.rs:747 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_several_segments::{{closure}}::h9cbbb6757a7fe307 (0x5577242fb15a) [INFO] [stdout] at src/lineardev.rs:746 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h6cae2d6d297ff549 (0x5577242a27ae) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243146ac - devicemapper::testing::loopbacked::test_with_spec::h82ca288e7e67c4b1 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb17b - devicemapper::lineardev::tests::loop_test_several_segments::h8df677e3801402f4 [INFO] [stdout] at src/lineardev.rs:747 [INFO] [stdout] 14: 0x5577242fb15a - devicemapper::lineardev::tests::loop_test_several_segments::{{closure}}::h9cbbb6757a7fe307 [INFO] [stdout] at src/lineardev.rs:746 [INFO] [stdout] 15: 0x5577242a27ae - core::ops::function::FnOnce::call_once::h6cae2d6d297ff549 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_suspend stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_suspend' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431600e - devicemapper::testing::loopbacked::test_with_spec::ha777f92f432a7e4a [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb1ab - devicemapper::lineardev::tests::loop_test_suspend::ha927e3955d17c071 [INFO] [stdout] at src/lineardev.rs:752 [INFO] [stdout] 21: 0x5577242fb18a - devicemapper::lineardev::tests::loop_test_suspend::{{closure}}::hd971d6d585551e61 [INFO] [stdout] at src/lineardev.rs:751 [INFO] [stdout] 22: 0x5577242a212e - core::ops::function::FnOnce::call_once::h04cfdde36c01dd54 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_suspend' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::ha777f92f432a7e4a (0x55772431600e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_suspend::ha927e3955d17c071 (0x5577242fb1ab) [INFO] [stdout] at src/lineardev.rs:752 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_suspend::{{closure}}::hd971d6d585551e61 (0x5577242fb18a) [INFO] [stdout] at src/lineardev.rs:751 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h04cfdde36c01dd54 (0x5577242a212e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::ha777f92f432a7e4a (0x55772431600e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_suspend::ha927e3955d17c071 (0x5577242fb1ab) [INFO] [stdout] at src/lineardev.rs:752 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_suspend::{{closure}}::hd971d6d585551e61 (0x5577242fb18a) [INFO] [stdout] at src/lineardev.rs:751 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h04cfdde36c01dd54 (0x5577242a212e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431602c - devicemapper::testing::loopbacked::test_with_spec::ha777f92f432a7e4a [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb1ab - devicemapper::lineardev::tests::loop_test_suspend::ha927e3955d17c071 [INFO] [stdout] at src/lineardev.rs:752 [INFO] [stdout] 14: 0x5577242fb18a - devicemapper::lineardev::tests::loop_test_suspend::{{closure}}::hd971d6d585551e61 [INFO] [stdout] at src/lineardev.rs:751 [INFO] [stdout] 15: 0x5577242a212e - core::ops::function::FnOnce::call_once::h04cfdde36c01dd54 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_empty_table_set stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_empty_table_set' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724312d0e - devicemapper::testing::loopbacked::test_with_spec::h5cf0fbf6add48075 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb08b - devicemapper::lineardev::tests::loop_test_empty_table_set::hd435c93ecb3c4e67 [INFO] [stdout] at src/lineardev.rs:722 [INFO] [stdout] 21: 0x5577242fb06a - devicemapper::lineardev::tests::loop_test_empty_table_set::{{closure}}::he9badab37e387bd8 [INFO] [stdout] at src/lineardev.rs:721 [INFO] [stdout] 22: 0x5577242a2c5e - core::ops::function::FnOnce::call_once::hc8b12c4336fbd22f [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_empty_table_set' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h5cf0fbf6add48075 (0x557724312d0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_empty_table_set::hd435c93ecb3c4e67 (0x5577242fb08b) [INFO] [stdout] at src/lineardev.rs:722 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_empty_table_set::{{closure}}::he9badab37e387bd8 (0x5577242fb06a) [INFO] [stdout] at src/lineardev.rs:721 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hc8b12c4336fbd22f (0x5577242a2c5e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h5cf0fbf6add48075 (0x557724312d0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_empty_table_set::hd435c93ecb3c4e67 (0x5577242fb08b) [INFO] [stdout] at src/lineardev.rs:722 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_empty_table_set::{{closure}}::he9badab37e387bd8 (0x5577242fb06a) [INFO] [stdout] at src/lineardev.rs:721 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hc8b12c4336fbd22f (0x5577242a2c5e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724312d2c - devicemapper::testing::loopbacked::test_with_spec::h5cf0fbf6add48075 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb08b - devicemapper::lineardev::tests::loop_test_empty_table_set::hd435c93ecb3c4e67 [INFO] [stdout] at src/lineardev.rs:722 [INFO] [stdout] 14: 0x5577242fb06a - devicemapper::lineardev::tests::loop_test_empty_table_set::{{closure}}::he9badab37e387bd8 [INFO] [stdout] at src/lineardev.rs:721 [INFO] [stdout] 15: 0x5577242a2c5e - core::ops::function::FnOnce::call_once::hc8b12c4336fbd22f [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_rename stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_rename' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431798e - devicemapper::testing::loopbacked::test_with_spec::hefbf63d156055f1c [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb0bb - devicemapper::lineardev::tests::loop_test_rename::hea6bb7b7888ea43f [INFO] [stdout] at src/lineardev.rs:727 [INFO] [stdout] 21: 0x5577242fb09a - devicemapper::lineardev::tests::loop_test_rename::{{closure}}::hc24d4f75b59502b4 [INFO] [stdout] at src/lineardev.rs:726 [INFO] [stdout] 22: 0x5577242a2c1e - core::ops::function::FnOnce::call_once::hc4c06fe870833d39 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_rename' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hefbf63d156055f1c (0x55772431798e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_rename::hea6bb7b7888ea43f (0x5577242fb0bb) [INFO] [stdout] at src/lineardev.rs:727 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_rename::{{closure}}::hc24d4f75b59502b4 (0x5577242fb09a) [INFO] [stdout] at src/lineardev.rs:726 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hc4c06fe870833d39 (0x5577242a2c1e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hefbf63d156055f1c (0x55772431798e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_rename::hea6bb7b7888ea43f (0x5577242fb0bb) [INFO] [stdout] at src/lineardev.rs:727 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_rename::{{closure}}::hc24d4f75b59502b4 (0x5577242fb09a) [INFO] [stdout] at src/lineardev.rs:726 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hc4c06fe870833d39 (0x5577242a2c1e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243179ac - devicemapper::testing::loopbacked::test_with_spec::hefbf63d156055f1c [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb0bb - devicemapper::lineardev::tests::loop_test_rename::hea6bb7b7888ea43f [INFO] [stdout] at src/lineardev.rs:727 [INFO] [stdout] 14: 0x5577242fb09a - devicemapper::lineardev::tests::loop_test_rename::{{closure}}::hc24d4f75b59502b4 [INFO] [stdout] at src/lineardev.rs:726 [INFO] [stdout] 15: 0x5577242a2c1e - core::ops::function::FnOnce::call_once::hc4c06fe870833d39 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_rename_id stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_rename_id' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431424e - devicemapper::testing::loopbacked::test_with_spec::h82291fd5f87a9117 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb0eb - devicemapper::lineardev::tests::loop_test_rename_id::h8965a8a2dbee22dc [INFO] [stdout] at src/lineardev.rs:732 [INFO] [stdout] 21: 0x5577242fb0ca - devicemapper::lineardev::tests::loop_test_rename_id::{{closure}}::hb79e77080eef6109 [INFO] [stdout] at src/lineardev.rs:731 [INFO] [stdout] 22: 0x5577242a286e - core::ops::function::FnOnce::call_once::h817f84df40fb79ef [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_rename_id' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h82291fd5f87a9117 (0x55772431424e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_rename_id::h8965a8a2dbee22dc (0x5577242fb0eb) [INFO] [stdout] at src/lineardev.rs:732 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_rename_id::{{closure}}::hb79e77080eef6109 (0x5577242fb0ca) [INFO] [stdout] at src/lineardev.rs:731 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h817f84df40fb79ef (0x5577242a286e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h82291fd5f87a9117 (0x55772431424e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_rename_id::h8965a8a2dbee22dc (0x5577242fb0eb) [INFO] [stdout] at src/lineardev.rs:732 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_rename_id::{{closure}}::hb79e77080eef6109 (0x5577242fb0ca) [INFO] [stdout] at src/lineardev.rs:731 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h817f84df40fb79ef (0x5577242a286e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431426c - devicemapper::testing::loopbacked::test_with_spec::h82291fd5f87a9117 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb0eb - devicemapper::lineardev::tests::loop_test_rename_id::h8965a8a2dbee22dc [INFO] [stdout] at src/lineardev.rs:732 [INFO] [stdout] 14: 0x5577242fb0ca - devicemapper::lineardev::tests::loop_test_rename_id::{{closure}}::hb79e77080eef6109 [INFO] [stdout] at src/lineardev.rs:731 [INFO] [stdout] 15: 0x5577242a286e - core::ops::function::FnOnce::call_once::h817f84df40fb79ef [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_segment stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_segment' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724310b0e - devicemapper::testing::loopbacked::test_with_spec::h0f5378b3981270cb [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb14b - devicemapper::lineardev::tests::loop_test_segment::he717ba2caba2a9e9 [INFO] [stdout] at src/lineardev.rs:742 [INFO] [stdout] 21: 0x5577242fb12a - devicemapper::lineardev::tests::loop_test_segment::{{closure}}::ha947147198a457c5 [INFO] [stdout] at src/lineardev.rs:741 [INFO] [stdout] 22: 0x5577242a2e9e - core::ops::function::FnOnce::call_once::he7898a305a84dc6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_segment' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h0f5378b3981270cb (0x557724310b0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_segment::he717ba2caba2a9e9 (0x5577242fb14b) [INFO] [stdout] at src/lineardev.rs:742 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_segment::{{closure}}::ha947147198a457c5 (0x5577242fb12a) [INFO] [stdout] at src/lineardev.rs:741 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::he7898a305a84dc6c (0x5577242a2e9e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h0f5378b3981270cb (0x557724310b0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_segment::he717ba2caba2a9e9 (0x5577242fb14b) [INFO] [stdout] at src/lineardev.rs:742 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_segment::{{closure}}::ha947147198a457c5 (0x5577242fb12a) [INFO] [stdout] at src/lineardev.rs:741 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::he7898a305a84dc6c (0x5577242a2e9e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724310b2c - devicemapper::testing::loopbacked::test_with_spec::h0f5378b3981270cb [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb14b - devicemapper::lineardev::tests::loop_test_segment::he717ba2caba2a9e9 [INFO] [stdout] at src/lineardev.rs:742 [INFO] [stdout] 14: 0x5577242fb12a - devicemapper::lineardev::tests::loop_test_segment::{{closure}}::ha947147198a457c5 [INFO] [stdout] at src/lineardev.rs:741 [INFO] [stdout] 15: 0x5577242a2e9e - core::ops::function::FnOnce::call_once::he7898a305a84dc6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- lineardev::tests::loop_test_same_name stdout ---- [INFO] [stdout] thread 'lineardev::tests::loop_test_same_name' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724314f0e - devicemapper::testing::loopbacked::test_with_spec::h88c422e028b4e4fb [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x5577242fb11b - devicemapper::lineardev::tests::loop_test_same_name::he97eed8cb926764a [INFO] [stdout] at src/lineardev.rs:737 [INFO] [stdout] 21: 0x5577242fb0fa - devicemapper::lineardev::tests::loop_test_same_name::{{closure}}::h6b327f9183ba71f1 [INFO] [stdout] at src/lineardev.rs:736 [INFO] [stdout] 22: 0x5577242a2b9e - core::ops::function::FnOnce::call_once::hb1aac1959fc892fc [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'lineardev::tests::loop_test_same_name' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h88c422e028b4e4fb (0x557724314f0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_same_name::he97eed8cb926764a (0x5577242fb11b) [INFO] [stdout] at src/lineardev.rs:737 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_same_name::{{closure}}::h6b327f9183ba71f1 (0x5577242fb0fa) [INFO] [stdout] at src/lineardev.rs:736 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hb1aac1959fc892fc (0x5577242a2b9e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h88c422e028b4e4fb (0x557724314f0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::lineardev::tests::loop_test_same_name::he97eed8cb926764a (0x5577242fb11b) [INFO] [stdout] at src/lineardev.rs:737 [INFO] [stdout] 10: devicemapper::lineardev::tests::loop_test_same_name::{{closure}}::h6b327f9183ba71f1 (0x5577242fb0fa) [INFO] [stdout] at src/lineardev.rs:736 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hb1aac1959fc892fc (0x5577242a2b9e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724314f2c - devicemapper::testing::loopbacked::test_with_spec::h88c422e028b4e4fb [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x5577242fb11b - devicemapper::lineardev::tests::loop_test_same_name::he97eed8cb926764a [INFO] [stdout] at src/lineardev.rs:737 [INFO] [stdout] 14: 0x5577242fb0fa - devicemapper::lineardev::tests::loop_test_same_name::{{closure}}::h6b327f9183ba71f1 [INFO] [stdout] at src/lineardev.rs:736 [INFO] [stdout] 15: 0x5577242a2b9e - core::ops::function::FnOnce::call_once::hb1aac1959fc892fc [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thindev::tests::loop_test_filesystem stdout ---- [INFO] [stdout] thread 'thindev::tests::loop_test_filesystem' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724314ace - devicemapper::testing::loopbacked::test_with_spec::h84d21d1f84b2431e [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772430b57b - devicemapper::thindev::tests::loop_test_filesystem::hd4e91c2c3479bba4 [INFO] [stdout] at src/thindev.rs:947 [INFO] [stdout] 21: 0x55772430b55a - devicemapper::thindev::tests::loop_test_filesystem::{{closure}}::h6ba102b5fc6a5bdc [INFO] [stdout] at src/thindev.rs:946 [INFO] [stdout] 22: 0x5577242a26ae - core::ops::function::FnOnce::call_once::h55667d4d593cf53d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thindev::tests::loop_test_filesystem' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h84d21d1f84b2431e (0x557724314ace) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_filesystem::hd4e91c2c3479bba4 (0x55772430b57b) [INFO] [stdout] at src/thindev.rs:947 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_filesystem::{{closure}}::h6ba102b5fc6a5bdc (0x55772430b55a) [INFO] [stdout] at src/thindev.rs:946 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h55667d4d593cf53d (0x5577242a26ae) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h84d21d1f84b2431e (0x557724314ace) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_filesystem::hd4e91c2c3479bba4 (0x55772430b57b) [INFO] [stdout] at src/thindev.rs:947 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_filesystem::{{closure}}::h6ba102b5fc6a5bdc (0x55772430b55a) [INFO] [stdout] at src/thindev.rs:946 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h55667d4d593cf53d (0x5577242a26ae) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724314aec - devicemapper::testing::loopbacked::test_with_spec::h84d21d1f84b2431e [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772430b57b - devicemapper::thindev::tests::loop_test_filesystem::hd4e91c2c3479bba4 [INFO] [stdout] at src/thindev.rs:947 [INFO] [stdout] 14: 0x55772430b55a - devicemapper::thindev::tests::loop_test_filesystem::{{closure}}::h6ba102b5fc6a5bdc [INFO] [stdout] at src/thindev.rs:946 [INFO] [stdout] 15: 0x5577242a26ae - core::ops::function::FnOnce::call_once::h55667d4d593cf53d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thindev::tests::loop_test_basic_udev stdout ---- [INFO] [stdout] thread 'thindev::tests::loop_test_basic_udev' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431688e - devicemapper::testing::loopbacked::test_with_spec::hb443afcb8416b473 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772430b48b - devicemapper::thindev::tests::loop_test_basic_udev::he6c38f52d7fbf910 [INFO] [stdout] at src/thindev.rs:922 [INFO] [stdout] 21: 0x55772430b46a - devicemapper::thindev::tests::loop_test_basic_udev::{{closure}}::h4028953e77487c9d [INFO] [stdout] at src/thindev.rs:921 [INFO] [stdout] 22: 0x5577242a305e - core::ops::function::FnOnce::call_once::hf39d0547b9b8f553 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thindev::tests::loop_test_basic_udev' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hb443afcb8416b473 (0x55772431688e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_basic_udev::he6c38f52d7fbf910 (0x55772430b48b) [INFO] [stdout] at src/thindev.rs:922 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_basic_udev::{{closure}}::h4028953e77487c9d (0x55772430b46a) [INFO] [stdout] at src/thindev.rs:921 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hf39d0547b9b8f553 (0x5577242a305e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hb443afcb8416b473 (0x55772431688e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_basic_udev::he6c38f52d7fbf910 (0x55772430b48b) [INFO] [stdout] at src/thindev.rs:922 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_basic_udev::{{closure}}::h4028953e77487c9d (0x55772430b46a) [INFO] [stdout] at src/thindev.rs:921 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hf39d0547b9b8f553 (0x5577242a305e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243168ac - devicemapper::testing::loopbacked::test_with_spec::hb443afcb8416b473 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772430b48b - devicemapper::thindev::tests::loop_test_basic_udev::he6c38f52d7fbf910 [INFO] [stdout] at src/thindev.rs:922 [INFO] [stdout] 14: 0x55772430b46a - devicemapper::thindev::tests::loop_test_basic_udev::{{closure}}::h4028953e77487c9d [INFO] [stdout] at src/thindev.rs:921 [INFO] [stdout] 15: 0x5577242a305e - core::ops::function::FnOnce::call_once::hf39d0547b9b8f553 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thindev::tests::loop_test_basic stdout ---- [INFO] [stdout] thread 'thindev::tests::loop_test_basic' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431644e - devicemapper::testing::loopbacked::test_with_spec::hb34391ee72a8313a [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772430b45b - devicemapper::thindev::tests::loop_test_basic::h0fcd0921cb0a5d29 [INFO] [stdout] at src/thindev.rs:917 [INFO] [stdout] 21: 0x55772430b43a - devicemapper::thindev::tests::loop_test_basic::{{closure}}::h119f4561f18c99ad [INFO] [stdout] at src/thindev.rs:916 [INFO] [stdout] 22: 0x5577242a2d5e - core::ops::function::FnOnce::call_once::hd9f3548d055ddf73 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thindev::tests::loop_test_basic' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hb34391ee72a8313a (0x55772431644e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_basic::h0fcd0921cb0a5d29 (0x55772430b45b) [INFO] [stdout] at src/thindev.rs:917 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_basic::{{closure}}::h119f4561f18c99ad (0x55772430b43a) [INFO] [stdout] at src/thindev.rs:916 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hd9f3548d055ddf73 (0x5577242a2d5e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hb34391ee72a8313a (0x55772431644e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_basic::h0fcd0921cb0a5d29 (0x55772430b45b) [INFO] [stdout] at src/thindev.rs:917 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_basic::{{closure}}::h119f4561f18c99ad (0x55772430b43a) [INFO] [stdout] at src/thindev.rs:916 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hd9f3548d055ddf73 (0x5577242a2d5e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431646c - devicemapper::testing::loopbacked::test_with_spec::hb34391ee72a8313a [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772430b45b - devicemapper::thindev::tests::loop_test_basic::h0fcd0921cb0a5d29 [INFO] [stdout] at src/thindev.rs:917 [INFO] [stdout] 14: 0x55772430b43a - devicemapper::thindev::tests::loop_test_basic::{{closure}}::h119f4561f18c99ad [INFO] [stdout] at src/thindev.rs:916 [INFO] [stdout] 15: 0x5577242a2d5e - core::ops::function::FnOnce::call_once::hd9f3548d055ddf73 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thindev::tests::loop_test_setup_without_new stdout ---- [INFO] [stdout] thread 'thindev::tests::loop_test_setup_without_new' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724316cce - devicemapper::testing::loopbacked::test_with_spec::hbfebb203ef574b99 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772430b4eb - devicemapper::thindev::tests::loop_test_setup_without_new::hb5f486eabd02aea8 [INFO] [stdout] at src/thindev.rs:932 [INFO] [stdout] 21: 0x55772430b4ca - devicemapper::thindev::tests::loop_test_setup_without_new::{{closure}}::hed304b1f0670d23b [INFO] [stdout] at src/thindev.rs:931 [INFO] [stdout] 22: 0x5577242a276e - core::ops::function::FnOnce::call_once::h6426c5eae549e57b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thindev::tests::loop_test_setup_without_new' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hbfebb203ef574b99 (0x557724316cce) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_setup_without_new::hb5f486eabd02aea8 (0x55772430b4eb) [INFO] [stdout] at src/thindev.rs:932 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_setup_without_new::{{closure}}::hed304b1f0670d23b (0x55772430b4ca) [INFO] [stdout] at src/thindev.rs:931 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h6426c5eae549e57b (0x5577242a276e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hbfebb203ef574b99 (0x557724316cce) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_setup_without_new::hb5f486eabd02aea8 (0x55772430b4eb) [INFO] [stdout] at src/thindev.rs:932 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_setup_without_new::{{closure}}::hed304b1f0670d23b (0x55772430b4ca) [INFO] [stdout] at src/thindev.rs:931 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h6426c5eae549e57b (0x5577242a276e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724316cec - devicemapper::testing::loopbacked::test_with_spec::hbfebb203ef574b99 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772430b4eb - devicemapper::thindev::tests::loop_test_setup_without_new::hb5f486eabd02aea8 [INFO] [stdout] at src/thindev.rs:932 [INFO] [stdout] 14: 0x55772430b4ca - devicemapper::thindev::tests::loop_test_setup_without_new::{{closure}}::hed304b1f0670d23b [INFO] [stdout] at src/thindev.rs:931 [INFO] [stdout] 15: 0x5577242a276e - core::ops::function::FnOnce::call_once::h6426c5eae549e57b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thindev::tests::loop_test_zero_size stdout ---- [INFO] [stdout] thread 'thindev::tests::loop_test_zero_size' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431138e - devicemapper::testing::loopbacked::test_with_spec::h11bd2cef94adf4de [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772430b4bb - devicemapper::thindev::tests::loop_test_zero_size::h7fdcb7d48621a6c2 [INFO] [stdout] at src/thindev.rs:927 [INFO] [stdout] 21: 0x55772430b49a - devicemapper::thindev::tests::loop_test_zero_size::{{closure}}::h6d092ef5fe6d6f1a [INFO] [stdout] at src/thindev.rs:926 [INFO] [stdout] 22: 0x5577242a2c9e - core::ops::function::FnOnce::call_once::hc9f4ad87a8efae64 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thindev::tests::loop_test_zero_size' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h11bd2cef94adf4de (0x55772431138e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_zero_size::h7fdcb7d48621a6c2 (0x55772430b4bb) [INFO] [stdout] at src/thindev.rs:927 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_zero_size::{{closure}}::h6d092ef5fe6d6f1a (0x55772430b49a) [INFO] [stdout] at src/thindev.rs:926 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hc9f4ad87a8efae64 (0x5577242a2c9e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h11bd2cef94adf4de (0x55772431138e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_zero_size::h7fdcb7d48621a6c2 (0x55772430b4bb) [INFO] [stdout] at src/thindev.rs:927 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_zero_size::{{closure}}::h6d092ef5fe6d6f1a (0x55772430b49a) [INFO] [stdout] at src/thindev.rs:926 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hc9f4ad87a8efae64 (0x5577242a2c9e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243113ac - devicemapper::testing::loopbacked::test_with_spec::h11bd2cef94adf4de [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772430b4bb - devicemapper::thindev::tests::loop_test_zero_size::h7fdcb7d48621a6c2 [INFO] [stdout] at src/thindev.rs:927 [INFO] [stdout] 14: 0x55772430b49a - devicemapper::thindev::tests::loop_test_zero_size::{{closure}}::h6d092ef5fe6d6f1a [INFO] [stdout] at src/thindev.rs:926 [INFO] [stdout] 15: 0x5577242a2c9e - core::ops::function::FnOnce::call_once::hc9f4ad87a8efae64 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thindev::tests::loop_test_snapshot stdout ---- [INFO] [stdout] thread 'thindev::tests::loop_test_snapshot' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431358e - devicemapper::testing::loopbacked::test_with_spec::h6a8bd4e6f2e8fb2e [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772430b51b - devicemapper::thindev::tests::loop_test_snapshot::h8c631b1e5e6ce7e2 [INFO] [stdout] at src/thindev.rs:937 [INFO] [stdout] 21: 0x55772430b4fa - devicemapper::thindev::tests::loop_test_snapshot::{{closure}}::hed9e541f4b9c1e58 [INFO] [stdout] at src/thindev.rs:936 [INFO] [stdout] 22: 0x5577242a218e - core::ops::function::FnOnce::call_once::h0cc1bb3153c1d8e8 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thindev::tests::loop_test_snapshot' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h6a8bd4e6f2e8fb2e (0x55772431358e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_snapshot::h8c631b1e5e6ce7e2 (0x55772430b51b) [INFO] [stdout] at src/thindev.rs:937 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_snapshot::{{closure}}::hed9e541f4b9c1e58 (0x55772430b4fa) [INFO] [stdout] at src/thindev.rs:936 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h0cc1bb3153c1d8e8 (0x5577242a218e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h6a8bd4e6f2e8fb2e (0x55772431358e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_snapshot::h8c631b1e5e6ce7e2 (0x55772430b51b) [INFO] [stdout] at src/thindev.rs:937 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_snapshot::{{closure}}::hed9e541f4b9c1e58 (0x55772430b4fa) [INFO] [stdout] at src/thindev.rs:936 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h0cc1bb3153c1d8e8 (0x5577242a218e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243135ac - devicemapper::testing::loopbacked::test_with_spec::h6a8bd4e6f2e8fb2e [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772430b51b - devicemapper::thindev::tests::loop_test_snapshot::h8c631b1e5e6ce7e2 [INFO] [stdout] at src/thindev.rs:937 [INFO] [stdout] 14: 0x55772430b4fa - devicemapper::thindev::tests::loop_test_snapshot::{{closure}}::hed9e541f4b9c1e58 [INFO] [stdout] at src/thindev.rs:936 [INFO] [stdout] 15: 0x5577242a218e - core::ops::function::FnOnce::call_once::h0cc1bb3153c1d8e8 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thinpooldev::tests::loop_test_set_data stdout ---- [INFO] [stdout] thread 'thinpooldev::tests::loop_test_set_data' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x5577243117ce - devicemapper::testing::loopbacked::test_with_spec::h12ba6f836d674d28 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x557724355b3b - devicemapper::thinpooldev::tests::loop_test_set_data::h2bbd05803af158ad [INFO] [stdout] at src/thinpooldev.rs:814 [INFO] [stdout] 21: 0x557724355b1a - devicemapper::thinpooldev::tests::loop_test_set_data::{{closure}}::h2111dd7ea5bbbba9 [INFO] [stdout] at src/thinpooldev.rs:813 [INFO] [stdout] 22: 0x5577242a2e5e - core::ops::function::FnOnce::call_once::he597945be08e3da1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thinpooldev::tests::loop_test_set_data' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h12ba6f836d674d28 (0x5577243117ce) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thinpooldev::tests::loop_test_set_data::h2bbd05803af158ad (0x557724355b3b) [INFO] [stdout] at src/thinpooldev.rs:814 [INFO] [stdout] 10: devicemapper::thinpooldev::tests::loop_test_set_data::{{closure}}::h2111dd7ea5bbbba9 (0x557724355b1a) [INFO] [stdout] at src/thinpooldev.rs:813 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::he597945be08e3da1 (0x5577242a2e5e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h12ba6f836d674d28 (0x5577243117ce) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thinpooldev::tests::loop_test_set_data::h2bbd05803af158ad (0x557724355b3b) [INFO] [stdout] at src/thinpooldev.rs:814 [INFO] [stdout] 10: devicemapper::thinpooldev::tests::loop_test_set_data::{{closure}}::h2111dd7ea5bbbba9 (0x557724355b1a) [INFO] [stdout] at src/thinpooldev.rs:813 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::he597945be08e3da1 (0x5577242a2e5e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5577243117ec - devicemapper::testing::loopbacked::test_with_spec::h12ba6f836d674d28 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x557724355b3b - devicemapper::thinpooldev::tests::loop_test_set_data::h2bbd05803af158ad [INFO] [stdout] at src/thinpooldev.rs:814 [INFO] [stdout] 14: 0x557724355b1a - devicemapper::thinpooldev::tests::loop_test_set_data::{{closure}}::h2111dd7ea5bbbba9 [INFO] [stdout] at src/thinpooldev.rs:813 [INFO] [stdout] 15: 0x5577242a2e5e - core::ops::function::FnOnce::call_once::he597945be08e3da1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thinpooldev::tests::loop_test_suspend stdout ---- [INFO] [stdout] thread 'thinpooldev::tests::loop_test_suspend' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724311c0e - devicemapper::testing::loopbacked::test_with_spec::h495747024539c2b9 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x557724355b9b - devicemapper::thinpooldev::tests::loop_test_suspend::hfb79651c881815f4 [INFO] [stdout] at src/thinpooldev.rs:870 [INFO] [stdout] 21: 0x557724355b7a - devicemapper::thinpooldev::tests::loop_test_suspend::{{closure}}::h7ee0a3ae28860fdc [INFO] [stdout] at src/thinpooldev.rs:869 [INFO] [stdout] 22: 0x5577242a2e1e - core::ops::function::FnOnce::call_once::he32ece7bd381133b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thinpooldev::tests::loop_test_suspend' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h495747024539c2b9 (0x557724311c0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thinpooldev::tests::loop_test_suspend::hfb79651c881815f4 (0x557724355b9b) [INFO] [stdout] at src/thinpooldev.rs:870 [INFO] [stdout] 10: devicemapper::thinpooldev::tests::loop_test_suspend::{{closure}}::h7ee0a3ae28860fdc (0x557724355b7a) [INFO] [stdout] at src/thinpooldev.rs:869 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::he32ece7bd381133b (0x5577242a2e1e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h495747024539c2b9 (0x557724311c0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thinpooldev::tests::loop_test_suspend::hfb79651c881815f4 (0x557724355b9b) [INFO] [stdout] at src/thinpooldev.rs:870 [INFO] [stdout] 10: devicemapper::thinpooldev::tests::loop_test_suspend::{{closure}}::h7ee0a3ae28860fdc (0x557724355b7a) [INFO] [stdout] at src/thinpooldev.rs:869 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::he32ece7bd381133b (0x5577242a2e1e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724311c2c - devicemapper::testing::loopbacked::test_with_spec::h495747024539c2b9 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x557724355b9b - devicemapper::thinpooldev::tests::loop_test_suspend::hfb79651c881815f4 [INFO] [stdout] at src/thinpooldev.rs:870 [INFO] [stdout] 14: 0x557724355b7a - devicemapper::thinpooldev::tests::loop_test_suspend::{{closure}}::h7ee0a3ae28860fdc [INFO] [stdout] at src/thinpooldev.rs:869 [INFO] [stdout] 15: 0x5577242a2e1e - core::ops::function::FnOnce::call_once::he32ece7bd381133b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thindev::tests::loop_test_thindev_destroy stdout ---- [INFO] [stdout] thread 'thindev::tests::loop_test_thindev_destroy' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724310f4e - devicemapper::testing::loopbacked::test_with_spec::h1113faee576f41ff [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772430b5ab - devicemapper::thindev::tests::loop_test_thindev_destroy::haf727feb888d37b5 [INFO] [stdout] at src/thindev.rs:952 [INFO] [stdout] 21: 0x55772430b58a - devicemapper::thindev::tests::loop_test_thindev_destroy::{{closure}}::h60161abeec125919 [INFO] [stdout] at src/thindev.rs:951 [INFO] [stdout] 22: 0x5577242a282e - core::ops::function::FnOnce::call_once::h7f91654447765719 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thindev::tests::loop_test_thindev_destroy' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h1113faee576f41ff (0x557724310f4e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_thindev_destroy::haf727feb888d37b5 (0x55772430b5ab) [INFO] [stdout] at src/thindev.rs:952 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_thindev_destroy::{{closure}}::h60161abeec125919 (0x55772430b58a) [INFO] [stdout] at src/thindev.rs:951 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h7f91654447765719 (0x5577242a282e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h1113faee576f41ff (0x557724310f4e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_thindev_destroy::haf727feb888d37b5 (0x55772430b5ab) [INFO] [stdout] at src/thindev.rs:952 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_thindev_destroy::{{closure}}::h60161abeec125919 (0x55772430b58a) [INFO] [stdout] at src/thindev.rs:951 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h7f91654447765719 (0x5577242a282e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724310f6c - devicemapper::testing::loopbacked::test_with_spec::h1113faee576f41ff [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772430b5ab - devicemapper::thindev::tests::loop_test_thindev_destroy::haf727feb888d37b5 [INFO] [stdout] at src/thindev.rs:952 [INFO] [stdout] 14: 0x55772430b58a - devicemapper::thindev::tests::loop_test_thindev_destroy::{{closure}}::h60161abeec125919 [INFO] [stdout] at src/thindev.rs:951 [INFO] [stdout] 15: 0x5577242a282e - core::ops::function::FnOnce::call_once::h7f91654447765719 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thindev::tests::loop_test_snapshot_usage stdout ---- [INFO] [stdout] thread 'thindev::tests::loop_test_snapshot_usage' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x55772431710e - devicemapper::testing::loopbacked::test_with_spec::hddd7b875309ba92f [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x55772430b54b - devicemapper::thindev::tests::loop_test_snapshot_usage::hfd50388d086508a1 [INFO] [stdout] at src/thindev.rs:942 [INFO] [stdout] 21: 0x55772430b52a - devicemapper::thindev::tests::loop_test_snapshot_usage::{{closure}}::h5996313c6331a971 [INFO] [stdout] at src/thindev.rs:941 [INFO] [stdout] 22: 0x5577242a248e - core::ops::function::FnOnce::call_once::h2bcd0242efb8b096 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thindev::tests::loop_test_snapshot_usage' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hddd7b875309ba92f (0x55772431710e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_snapshot_usage::hfd50388d086508a1 (0x55772430b54b) [INFO] [stdout] at src/thindev.rs:942 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_snapshot_usage::{{closure}}::h5996313c6331a971 (0x55772430b52a) [INFO] [stdout] at src/thindev.rs:941 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h2bcd0242efb8b096 (0x5577242a248e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::hddd7b875309ba92f (0x55772431710e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thindev::tests::loop_test_snapshot_usage::hfd50388d086508a1 (0x55772430b54b) [INFO] [stdout] at src/thindev.rs:942 [INFO] [stdout] 10: devicemapper::thindev::tests::loop_test_snapshot_usage::{{closure}}::h5996313c6331a971 (0x55772430b52a) [INFO] [stdout] at src/thindev.rs:941 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h2bcd0242efb8b096 (0x5577242a248e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x55772431712c - devicemapper::testing::loopbacked::test_with_spec::hddd7b875309ba92f [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x55772430b54b - devicemapper::thindev::tests::loop_test_snapshot_usage::hfd50388d086508a1 [INFO] [stdout] at src/thindev.rs:942 [INFO] [stdout] 14: 0x55772430b52a - devicemapper::thindev::tests::loop_test_snapshot_usage::{{closure}}::h5996313c6331a971 [INFO] [stdout] at src/thindev.rs:941 [INFO] [stdout] 15: 0x5577242a248e - core::ops::function::FnOnce::call_once::h2bcd0242efb8b096 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thinpooldev::tests::loop_test_basic stdout ---- [INFO] [stdout] thread 'thinpooldev::tests::loop_test_basic' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x557724313e0e - devicemapper::testing::loopbacked::test_with_spec::h7e4b7bc6f89b91a0 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x557724355adb - devicemapper::thinpooldev::tests::loop_test_basic::hc038b9a5f578f015 [INFO] [stdout] at src/thinpooldev.rs:725 [INFO] [stdout] 21: 0x557724355aba - devicemapper::thinpooldev::tests::loop_test_basic::{{closure}}::h16b599ba49d41a03 [INFO] [stdout] at src/thinpooldev.rs:724 [INFO] [stdout] 22: 0x5577242a28ae - core::ops::function::FnOnce::call_once::h850ab14472fc8e0c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 25: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 28: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 29: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 30: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 31: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 32: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 33: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 34: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 35: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 36: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 40: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 41: 0x7f6770c504a4 - start_thread [INFO] [stdout] 42: 0x7f677077bd0f - __clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] thread 'thinpooldev::tests::loop_test_basic' panicked at 'called `Result::unwrap()` on an `Err` value: Error(Msg("Failed to ensure removal of all test-generated DM devices"), State { next_error: Some(Error(Msg("Unable to initialize DM"), State { next_error: None, backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h7e4b7bc6f89b91a0 (0x557724313e0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thinpooldev::tests::loop_test_basic::hc038b9a5f578f015 (0x557724355adb) [INFO] [stdout] at src/thinpooldev.rs:725 [INFO] [stdout] 10: devicemapper::thinpooldev::tests::loop_test_basic::{{closure}}::h16b599ba49d41a03 (0x557724355aba) [INFO] [stdout] at src/thinpooldev.rs:724 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h850ab14472fc8e0c (0x5577242a28ae) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })), backtrace: InternalBacktrace { backtrace: Some(stack backtrace: [INFO] [stdout] 0: error_chain::backtrace::imp::InternalBacktrace::new::h3085a198dda0c9cf (0x557724458f95) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/backtrace.rs:56 [INFO] [stdout] 1: ::default::h5f43ff54859dbe31 (0x5577244582e3) [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.12.1/src/lib.rs:671 [INFO] [stdout] 2: devicemapper::testing::test_lib::cleanup_errors::Error::from_kind::h41c06114bd1dca09 (0x5577242ba074) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::impl_error_chain_processed macros>:53 [INFO] [stdout] 3: >::from::h630f5053d8518b74 (0x5577242ba991) [INFO] [stdout] at src/testing/test_lib.rs:122 [INFO] [stdout] 4: >::into::h3747455ec1deda34 (0x5577242fe8e4) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/convert.rs:540 [INFO] [stdout] 5: devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 (0x5577243094f1) [INFO] [stdout] at src/testing/test_lib.rs:171 [INFO] [stdout] 6: devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 (0x5577243092d7) [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 7: devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 (0x55772430b21e) [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 8: devicemapper::testing::loopbacked::test_with_spec::h7e4b7bc6f89b91a0 (0x557724313e0e) [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 9: devicemapper::thinpooldev::tests::loop_test_basic::hc038b9a5f578f015 (0x557724355adb) [INFO] [stdout] at src/thinpooldev.rs:725 [INFO] [stdout] 10: devicemapper::thinpooldev::tests::loop_test_basic::{{closure}}::h16b599ba49d41a03 (0x557724355aba) [INFO] [stdout] at src/thinpooldev.rs:724 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::h850ab14472fc8e0c (0x5577242a28ae) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x55772436ee5f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x557724389458) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5577243642d5) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x557724368395) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5577244af58a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x557724368a92) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x55772449a27f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5577244ae9c0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7f6770c504a4) [INFO] [stdout] 22: __clone (0x7f677077bd0f) [INFO] [stdout] 23: (0x0)) } })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7512 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5577244a73f6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5577244c2e5d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x557724346513 - core::result::unwrap_failed::h662ebc2a1b972236 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55772434b2b5 - core::result::Result::unwrap::h643c994c80fbe3a4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x557724313e2c - devicemapper::testing::loopbacked::test_with_spec::h7e4b7bc6f89b91a0 [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 13: 0x557724355adb - devicemapper::thinpooldev::tests::loop_test_basic::hc038b9a5f578f015 [INFO] [stdout] at src/thinpooldev.rs:725 [INFO] [stdout] 14: 0x557724355aba - devicemapper::thinpooldev::tests::loop_test_basic::{{closure}}::h16b599ba49d41a03 [INFO] [stdout] at src/thinpooldev.rs:724 [INFO] [stdout] 15: 0x5577242a28ae - core::ops::function::FnOnce::call_once::h850ab14472fc8e0c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55772436ee5f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x557724389458 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x557724389458 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x557724389458 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5577243642d5 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x557724368395 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x557724368395 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x557724368395 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x557724368a92 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x557724368a92 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x557724368a92 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x557724368a92 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55772449a27f - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5577244ae9c0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5577244ae9c0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5577244ae9c0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f6770c504a4 - start_thread [INFO] [stdout] 35: 0x7f677077bd0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- thinpooldev::tests::loop_test_set_meta stdout ---- [INFO] [stdout] thread 'thinpooldev::tests::loop_test_set_meta' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5577244a721b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5577244a721b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5577244a721b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5577244a721b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5577244a721b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5577244a6e8a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5577244a7990 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5577244a7755 - std::panicking::begin_panic::hfcfdf53c62c704bd [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5577244a3b75 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x557724356a59 - std::sync::once::Once::call_once::h8b56412d4336d441 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5577243085b3 - devicemapper::testing::test_lib::get_dm::he0f8323658ce1026 [INFO] [stdout] at src/testing/test_lib.rs:41 [INFO] [stdout] 11: 0x5577242a2609 - core::ops::function::FnOnce::call_once::h4b0cfb3ecb26311a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: 0x55772430e81c - std::panicking::try::do_call::h7b4233c6bb02e51d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5577244af58a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55772430bd18 - std::panicking::try::h1ff0640a67443c77 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5577242c77d1 - std::panic::catch_unwind::h29257465be2d0fe0 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x557724309486 - devicemapper::testing::test_lib::dm_test_devices_remove::{{closure}}::h611c3acd1a990e74 [INFO] [stdout] at src/testing/test_lib.rs:170 [INFO] [stdout] 17: 0x5577243092d7 - devicemapper::testing::test_lib::dm_test_devices_remove::h52b009babbd3c576 [INFO] [stdout] at src/testing/test_lib.rs:169 [INFO] [stdout] 18: 0x55772430b21e - devicemapper::testing::test_lib::clean_up::ha7deb45f1a2738a9 [INFO] [stdout] at src/testing/test_lib.rs:210 [INFO] [stdout] 19: 0x5577243139ce - devicemapper::testing::loopbacked::test_with_spec::h6ad1d064891fe52c [INFO] [stdout] at src/testing/loopbacked.rs:118 [INFO] [stdout] 20: 0x557724355b6b - devicemapper::thinpooldev::tests::loop_test_set_meta::h401ca744d6edab27 [INFO] [stdout] at src/thinpooldev.rs:852 [WARN] too many lines in the log, truncating it