[INFO] crate fast_paths 0.1.1 is already in cache
[INFO] extracting crate fast_paths 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/fast_paths/0.1.1
[INFO] extracting crate fast_paths 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fast_paths/0.1.1
[INFO] validating manifest of fast_paths-0.1.1 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 fast_paths-0.1.1 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 fast_paths-0.1.1
[INFO] finished frobbing fast_paths-0.1.1
[INFO] frobbed toml for fast_paths-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fast_paths/0.1.1/Cargo.toml
[INFO] started frobbing fast_paths-0.1.1
[INFO] finished frobbing fast_paths-0.1.1
[INFO] frobbed toml for fast_paths-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fast_paths/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fast_paths-0.1.1 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fast_paths/0.1.1:/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] a5510c6ee1823158e1201131442160dc3eded78804c3fcb0e2894817dd76cc33
[INFO] running `"docker" "start" "-a" "a5510c6ee1823158e1201131442160dc3eded78804c3fcb0e2894817dd76cc33"`
[INFO] [stderr]    Compiling indexmap v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling priority-queue v0.6.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling fast_paths v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:80
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn save_to_disk(fast_graph: &FastGraph, file_name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:65
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn load_from_disk(file_name: &str) -> Result<FastGraph, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FloydWarshall`
[INFO] [stderr]   --> src/floyd_warshall.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct FloydWarshall {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/floyd_warshall.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn new(num_nodes: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `prepare`
[INFO] [stderr]   --> src/floyd_warshall.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn prepare(&mut self, input_graph: &InputGraph) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calc_weight`
[INFO] [stderr]   --> src/floyd_warshall.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn calc_weight(&self, source: NodeId, target: NodeId) -> Weight {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/preparation_graph.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             node >= 0 && node < self.num_nodes,
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `"docker" "inspect" "a5510c6ee1823158e1201131442160dc3eded78804c3fcb0e2894817dd76cc33"`
[INFO] running `"docker" "rm" "-f" "a5510c6ee1823158e1201131442160dc3eded78804c3fcb0e2894817dd76cc33"`
[INFO] [stdout] a5510c6ee1823158e1201131442160dc3eded78804c3fcb0e2894817dd76cc33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fast_paths/0.1.1:/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] a1cacee5d0c239d481e1a0f7a22513acfc01b17ba04d29f7229ba8cb3f84342e
[INFO] running `"docker" "start" "-a" "a1cacee5d0c239d481e1a0f7a22513acfc01b17ba04d29f7229ba8cb3f84342e"`
[INFO] [stderr]    Compiling fast_paths v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:80
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn save_to_disk(fast_graph: &FastGraph, file_name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:65
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn load_from_disk(file_name: &str) -> Result<FastGraph, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/preparation_graph.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             node >= 0 && node < self.num_nodes,
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `"docker" "inspect" "a1cacee5d0c239d481e1a0f7a22513acfc01b17ba04d29f7229ba8cb3f84342e"`
[INFO] running `"docker" "rm" "-f" "a1cacee5d0c239d481e1a0f7a22513acfc01b17ba04d29f7229ba8cb3f84342e"`
[INFO] [stdout] a1cacee5d0c239d481e1a0f7a22513acfc01b17ba04d29f7229ba8cb3f84342e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fast_paths/0.1.1:/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] 9999949c3af1f0c6a07f73de1f33f7afb0dd6b7bf2800a234460cdbc73fdef1d
[INFO] running `"docker" "start" "-a" "9999949c3af1f0c6a07f73de1f33f7afb0dd6b7bf2800a234460cdbc73fdef1d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fast_paths-af95ee97aa3bd16f
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test dijkstra::tests::go_around ... ok
[INFO] [stdout] test dijkstra::tests::avoid_node ... ok
[INFO] [stdout] test dijkstra::tests::run_multiple ... ok
[INFO] [stdout] test dijkstra::tests::simple_path ... ok
[INFO] [stdout] test dijkstra::tests::limit_weight ... ok
[INFO] [stdout] test fast_graph_builder::tests::calc_path_linear_fwd_only ... ok
[INFO] [stdout] test fast_graph_builder::tests::calc_path_another ... ok
[INFO] [stdout] test fast_graph_builder::tests::calc_path_simple ... ok
[INFO] [stdout] test input_graph::tests::num_nodes ... ok
[INFO] [stdout] test fast_graph_builder::tests::calc_path_linear_bwd_only ... ok
[INFO] [stdout] test input_graph::tests::freeze_and_thaw ... ok
[INFO] [stdout] test input_graph::tests::skips_duplicate_edges_more ... ok
[INFO] [stdout] test input_graph::tests::skips_loops ... ok
[INFO] [stdout] test input_graph::tests::skips_zero_weight_edges ... ok
[INFO] [stdout] test input_graph::tests::skips_duplicate_edges ... ok
[INFO] [stdout] test node_contractor::tests::calc_shortcuts_no_witness ... ok
[INFO] [stdout] test node_contractor::tests::calc_priority ... ok
[INFO] [stdout] test node_contractor::tests::calc_shortcuts_witness ... ok
[INFO] [stdout] test node_contractor::tests::calc_shortcuts_witness_via_center ... ok
[INFO] [stdout] test path_calculator::tests::unpack_fwd_simple ... ok
[INFO] [stdout] test node_contractor::tests::contract_node ... ok
[INFO] [stdout] test path_calculator::tests::unpack_fwd_single ... ok
[INFO] [stdout] test preparation_graph::tests::add_and_remove_edges ... ok
[INFO] [stdout] test preparation_graph::tests::disconnect ... ok
[INFO] [stdout] test tests::run_performance_test_23rd ... ignored
[INFO] [stdout] test tests::run_performance_test_ballard ... ignored
[INFO] [stdout] test tests::run_performance_test_dist ... ignored
[INFO] [stdout] test tests::run_performance_test_dist_fixed_ordering ... ignored
[INFO] [stdout] test tests::run_performance_test_time ... ignored
[INFO] [stdout] test preparation_graph::tests::add_or_remove_edge ... ok
[INFO] [stdout] test floyd_warshall::tests::calc_weights ... ok
[INFO] [stdout] test valid_flags::tests::set_valid_and_invalidate ... ok
[INFO] [stdout] test input_graph::tests::panic_if_frozen_add_edge ... ok
[INFO] [stdout] test input_graph::tests::panic_if_not_frozen_get_edges ... ok
[INFO] [stdout] test input_graph::tests::panic_if_not_frozen_get_num_edges ... ok
[INFO] [stdout] test input_graph::tests::panic_if_not_frozen_get_num_nodes ... ok
[INFO] [stdout] test tests::save_to_and_load_from_disk ... FAILED
[INFO] [stdout] test tests::routing_on_random_graph ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::save_to_and_load_from_disk stdout ----
[INFO] [stdout] thread 'tests::save_to_and_load_from_disk' panicked at 'writing to disk failed: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557cde94072b - 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:     0x557cde94072b - 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:     0x557cde94072b - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x557cde94072b - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x557cde94072b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x557cde94039a - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x557cde940ea0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x557cde940a22 - std::panicking::continue_panic_fmt::hc0f142c930c846fc
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x557cde940906 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x557cde959f6d - core::panicking::panic_fmt::h2daf88b2616ca2b2
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x557cde8bea75 - core::result::unwrap_failed::haf26bf330a295fef
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18
[INFO] [stdout]   11:     0x557cde8c1c55 - core::result::Result<T,E>::expect::h194bf776ff90a89d
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827
[INFO] [stdout]   12:     0x557cde893e37 - fast_paths::tests::save_to_and_load_from_disk::h0c6afd7b2cfaad92
[INFO] [stdout]                                at src/lib.rs:190
[INFO] [stdout]   13:     0x557cde893d0a - fast_paths::tests::save_to_and_load_from_disk::{{closure}}::h45c85469dc82123d
[INFO] [stdout]                                at src/lib.rs:183
[INFO] [stdout]   14:     0x557cde8a88ee - core::ops::function::FnOnce::call_once::hc03c1f48cc18e75b
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x557cde8d2b9f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h4a13ee3f0d7b4201
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   16:     0x557cde94356a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17:     0x557cde8ed198 - std::panicking::try::h5a93466ab2078586
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   18:     0x557cde8ed198 - std::panic::catch_unwind::h752cbeae6ac7bdea
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   19:     0x557cde8ed198 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   20:     0x557cde8c8015 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   21:     0x557cde8cc0d5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470
[INFO] [stdout]   22:     0x557cde8cc0d5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315
[INFO] [stdout]   23:     0x557cde8cc0d5 - std::panicking::try::do_call::h41f8559f88100f6c
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296
[INFO] [stdout]   24:     0x557cde94356a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   25:     0x557cde8cc7d2 - std::panicking::try::hb54ba808181fe352
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275
[INFO] [stdout]   26:     0x557cde8cc7d2 - std::panic::catch_unwind::h555ccf4e835e93f4
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394
[INFO] [stdout]   27:     0x557cde8cc7d2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469
[INFO] [stdout]   28:     0x557cde8cc7d2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stdout]   29:     0x557cde93615f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42806b83647d4c79
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   30:     0x557cde942cc0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83c921c8e826dd1d
[INFO] [stdout]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746
[INFO] [stdout]   31:     0x557cde942cc0 - std::sys_common::thread::start_thread::h2613204ce513782e
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   32:     0x557cde942cc0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   33:     0x7f81f1df44a4 - start_thread
[INFO] [stdout]   34:     0x7f81f191fd0f - __clone
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::save_to_and_load_from_disk
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 32 passed; 1 failed; 5 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "9999949c3af1f0c6a07f73de1f33f7afb0dd6b7bf2800a234460cdbc73fdef1d"`
[INFO] running `"docker" "rm" "-f" "9999949c3af1f0c6a07f73de1f33f7afb0dd6b7bf2800a234460cdbc73fdef1d"`
[INFO] [stdout] 9999949c3af1f0c6a07f73de1f33f7afb0dd6b7bf2800a234460cdbc73fdef1d