[INFO] updating cached repository https://github.com/scode/hubcap
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00831493397c0aa8f1795a69edd7191a60086a5c
[INFO] testing scode/hubcap against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscode%2Fhubcap" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scode/hubcap on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scode/hubcap
[INFO] finished tweaking git repo https://github.com/scode/hubcap
[INFO] tweaked toml for git repo https://github.com/scode/hubcap written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/scode/hubcap already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 82397b2f3ea35bfa391343820b3cb6f4e7bef30d3da7147d4c9a5b33567a8b87
[INFO] running `"docker" "start" "-a" "82397b2f3ea35bfa391343820b3cb6f4e7bef30d3da7147d4c9a5b33567a8b87"`
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hubcap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.55s
[INFO] running `"docker" "inspect" "82397b2f3ea35bfa391343820b3cb6f4e7bef30d3da7147d4c9a5b33567a8b87"`
[INFO] running `"docker" "rm" "-f" "82397b2f3ea35bfa391343820b3cb6f4e7bef30d3da7147d4c9a5b33567a8b87"`
[INFO] [stdout] 82397b2f3ea35bfa391343820b3cb6f4e7bef30d3da7147d4c9a5b33567a8b87
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4c241b684593b5c30a63a7883e143ad26567eddff8799fcb294371f9437ac3ac
[INFO] running `"docker" "start" "-a" "4c241b684593b5c30a63a7883e143ad26567eddff8799fcb294371f9437ac3ac"`
[INFO] [stderr]    Compiling hubcap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `"docker" "inspect" "4c241b684593b5c30a63a7883e143ad26567eddff8799fcb294371f9437ac3ac"`
[INFO] running `"docker" "rm" "-f" "4c241b684593b5c30a63a7883e143ad26567eddff8799fcb294371f9437ac3ac"`
[INFO] [stdout] 4c241b684593b5c30a63a7883e143ad26567eddff8799fcb294371f9437ac3ac
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] c85295fc342991cff9c6ded5aebe65d405b6ce8c52ad0de36486ae112f7a2c3d
[INFO] running `"docker" "start" "-a" "c85295fc342991cff9c6ded5aebe65d405b6ce8c52ad0de36486ae112f7a2c3d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hubcap-9c22b582232fc933
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test git::tests::path_to_str_valid_utf8 ... ok
[INFO] [stdout] test git::tests::path_to_str_invalid_utf8 ... ok
[INFO] [stdout] test git::tests::test_interpret_ref_head ... ok
[INFO] [stdout] test git::tests::test_make_status ... ok
[INFO] [stdout] test git::tests::test_interpret_ref_unrecognized ... ok
[INFO] [stdout] test git::tests::test_status_lines_to_entries_empty_vec ... ok
[INFO] [stdout] test git::tests::test_sha_ref_to_resolved_ref ... ok
[INFO] [stdout] test git::tests::test_interpret_ref_remote_branch ... ok
[INFO] [stdout] test git::tests::test_interpret_ref_local_branch ... ok
[INFO] [stdout] test git::tests::test_interpret_ref_tag ... ok
[INFO] [stdout] test git::tests::test_status_lines_to_entries_both_single_line ... ok
[INFO] [stdout] test git::tests::test_status_lines_to_entries_copied_left ... ok
[INFO] [stdout] test git::tests::test_status_lines_to_entries_copied_right ... ok
[INFO] [stdout] test git::tests::test_status_lines_to_entries_renamed_left ... ok
[INFO] [stdout] test git::tests::test_git_init ... ok
[INFO] [stdout] test git::tests::test_status_lines_to_entries_renamed_right ... ok
[INFO] [stdout] test git::tests::test_status_lines_to_entries_truncated_expecting_second_line ... ok
[INFO] [stdout] test git::tests::test_system_git_refs_empty ... ok
[INFO] [stdout] test git::tests::test_system_git_status ... ok
[INFO] [stdout] test git::tests::status_regex_correct ... ok
[INFO] [stdout] test git::tests::test_system_git_refs_non_empty ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- git::tests::test_system_git_refs_non_empty stdout ----
[INFO] [stdout] thread 'git::tests::test_system_git_refs_non_empty' panicked at 'called `Result::unwrap()` on an `Err` value: ErrorMessage { msg: "git show-ref terminated in error: " }
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new::h59dce533bd44a830 (0x56276c47de4e)
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new::h59b6faf86dde1c7c (0x56276c47d92d)
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h1c26c4b2f8f0a368 (0x56276c20795b)
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from::hb0e6f7123d9d29e3 (0x56276c219997)
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stdout]    4: failure::error_message::err_msg::h6f1c517334e66477 (0x56276c20c435)
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error_message.rs:12
[INFO] [stdout]    5: <hubcap::git::SystemGit as hubcap::git::Git>::refs::h2d0e4c157fe15dd4 (0x56276c1fc89d)
[INFO] [stdout]              at src/git.rs:297
[INFO] [stdout]    6: hubcap::git::tests::test_system_git_refs_non_empty::hf53f62ef6612707d (0x56276c1f89d9)
[INFO] [stdout]              at src/git.rs:797
[INFO] [stdout]    7: hubcap::git::tests::test_system_git_refs_non_empty::{{closure}}::h9e3794093665570d (0x56276c1f8459)
[INFO] [stdout]              at src/git.rs:763
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once::h32ee37c1f02123ec (0x56276c2027ad)
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227
[INFO] [stdout]    9: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8b428e8a43aaf8e9 (0x56276c2271fe)
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]   10: __rust_maybe_catch_panic (0x56276c4d5799)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   11: std::panicking::try::heccce20d527a3513 (0x56276c241a0d)
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271
[INFO] [stdout]       std::panic::catch_unwind::h7fd8f5d3271f1692
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394
[INFO] [stdout]       test::run_test::run_test_inner::{{closure}}::h88b46e5c359957e5
[INFO] [stdout]              at src/libtest/lib.rs:1413
[INFO] [stdout]   12: std::sys_common::backtrace::__rust_begin_short_backtrace::h00847676c8212941 (0x56276c21ca74)
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126
[INFO] [stdout]   13: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5dd37acd2295488e (0x56276c220c04)
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470
[INFO] [stdout]       <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d32b103da0b97c6
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315
[INFO] [stdout]       std::panicking::try::do_call::h2bd819a3056c57cd
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292
[INFO] [stdout]   14: __rust_maybe_catch_panic (0x56276c4d5799)
[INFO] [stdout]              at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   15: std::panicking::try::h243a25457a848a1a (0x56276c2211b1)
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271
[INFO] [stdout]       std::panic::catch_unwind::h74b81f55e55e757c
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394
[INFO] [stdout]       std::thread::Builder::spawn_unchecked::{{closure}}::h4c2d214a2cffa6cf
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}::h8a8a187b3fb58e53
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227
[INFO] [stdout]   16: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3cdef3b7ea22cd61 (0x56276c4c16fe)
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]   17: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc8f25720bf0d5424 (0x56276c4d4b8f)
[INFO] [stdout]              at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]       std::sys_common::thread::start_thread::h7e8885ccfd5d1932
[INFO] [stdout]              at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]       std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf
[INFO] [stdout]              at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   18: start_thread (0x7f90877536da)
[INFO] [stdout]   19: __clone (0x7f908726488e)
[INFO] [stdout]   20: <unknown> (0x0)', src/libcore/result.rs:1165:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56276c4cae34 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x56276c4cae34 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x56276c4cae34 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stdout]    3:     0x56276c4cae34 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2b7ac01d5feaf9b2
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stdout]    4:     0x56276c4eb5fc - core::fmt::write::h7fd0d904495c035f
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stdout]    5:     0x56276c21d305 - std::io::Write::write_fmt::h424452e6ba861394
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/io/mod.rs:1412
[INFO] [stdout]    6:     0x56276c4c5891 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h814a51d8ae1dee4a
[INFO] [stdout]                                at src/libstd/io/impls.rs:141
[INFO] [stdout]    7:     0x56276c4cd995 - std::sys_common::backtrace::_print::h4c743f7c274a5a74
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stdout]    8:     0x56276c4cd995 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x56276c4cd995 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6
[INFO] [stdout]                                at src/libstd/panicking.rs:196
[INFO] [stdout]   10:     0x56276c4cd61c - std::panicking::default_hook::hd8ec13ee1bc2a65a
[INFO] [stdout]                                at src/libstd/panicking.rs:207
[INFO] [stdout]   11:     0x56276c4ce095 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7
[INFO] [stdout]                                at src/libstd/panicking.rs:473
[INFO] [stdout]   12:     0x56276c4cdc32 - std::panicking::continue_panic_fmt::hd961751be84a6f83
[INFO] [stdout]                                at src/libstd/panicking.rs:380
[INFO] [stdout]   13:     0x56276c4cdb26 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:307
[INFO] [stdout]   14:     0x56276c4e8c1a - core::panicking::panic_fmt::h467e0364f9237670
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   15:     0x56276c4e8d17 - core::result::unwrap_failed::h38f3a56f1dadf080
[INFO] [stdout]                                at src/libcore/result.rs:1165
[INFO] [stdout]   16:     0x56276c21bbdb - core::result::Result<T,E>::unwrap::ha525749b58dd7919
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/result.rs:933
[INFO] [stdout]   17:     0x56276c1f89f1 - hubcap::git::tests::test_system_git_refs_non_empty::hf53f62ef6612707d
[INFO] [stdout]                                at src/git.rs:797
[INFO] [stdout]   18:     0x56276c1f845a - hubcap::git::tests::test_system_git_refs_non_empty::{{closure}}::h9e3794093665570d
[INFO] [stdout]                                at src/git.rs:763
[INFO] [stdout]   19:     0x56276c2027ae - core::ops::function::FnOnce::call_once::h32ee37c1f02123ec
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227
[INFO] [stdout]   20:     0x56276c2271ff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8b428e8a43aaf8e9
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]   21:     0x56276c4d579a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   22:     0x56276c241a0e - std::panicking::try::heccce20d527a3513
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271
[INFO] [stdout]   23:     0x56276c241a0e - std::panic::catch_unwind::h7fd8f5d3271f1692
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x56276c241a0e - test::run_test::run_test_inner::{{closure}}::h88b46e5c359957e5
[INFO] [stdout]                                at src/libtest/lib.rs:1413
[INFO] [stdout]   25:     0x56276c21ca75 - std::sys_common::backtrace::__rust_begin_short_backtrace::h00847676c8212941
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126
[INFO] [stdout]   26:     0x56276c220c05 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5dd37acd2295488e
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470
[INFO] [stdout]   27:     0x56276c220c05 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d32b103da0b97c6
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315
[INFO] [stdout]   28:     0x56276c220c05 - std::panicking::try::do_call::h2bd819a3056c57cd
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292
[INFO] [stdout]   29:     0x56276c4d579a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stdout]   30:     0x56276c2211b2 - std::panicking::try::h243a25457a848a1a
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271
[INFO] [stdout]   31:     0x56276c2211b2 - std::panic::catch_unwind::h74b81f55e55e757c
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x56276c2211b2 - std::thread::Builder::spawn_unchecked::{{closure}}::h4c2d214a2cffa6cf
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469
[INFO] [stdout]   33:     0x56276c2211b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8a8a187b3fb58e53
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227
[INFO] [stdout]   34:     0x56276c4c16ff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3cdef3b7ea22cd61
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]   35:     0x56276c4d4b90 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc8f25720bf0d5424
[INFO] [stdout]                                at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922
[INFO] [stdout]   36:     0x56276c4d4b90 - std::sys_common::thread::start_thread::h7e8885ccfd5d1932
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   37:     0x56276c4d4b90 - std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   38:     0x7f90877536db - start_thread
[INFO] [stdout]   39:     0x7f908726488f - __clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     git::tests::test_system_git_refs_non_empty
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 20 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "c85295fc342991cff9c6ded5aebe65d405b6ce8c52ad0de36486ae112f7a2c3d"`
[INFO] running `"docker" "rm" "-f" "c85295fc342991cff9c6ded5aebe65d405b6ce8c52ad0de36486ae112f7a2c3d"`
[INFO] [stdout] c85295fc342991cff9c6ded5aebe65d405b6ce8c52ad0de36486ae112f7a2c3d