[INFO] cloning repository https://github.com/dialogbox/rust-working-samples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dialogbox/rust-working-samples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdialogbox%2Frust-working-samples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdialogbox%2Frust-working-samples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a95136d92277a7601147e25f9d76dd728dc0906
[INFO] testing dialogbox/rust-working-samples against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdialogbox%2Frust-working-samples" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dialogbox/rust-working-samples on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dialogbox/rust-working-samples
[INFO] finished tweaking git repo https://github.com/dialogbox/rust-working-samples
[INFO] tweaked toml for git repo https://github.com/dialogbox/rust-working-samples written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dialogbox/rust-working-samples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 683203f44ae9f0b4f5711ee1330be0a011919ee84fa0622fc9ef2cfbac1a312c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "683203f44ae9f0b4f5711ee1330be0a011919ee84fa0622fc9ef2cfbac1a312c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "683203f44ae9f0b4f5711ee1330be0a011919ee84fa0622fc9ef2cfbac1a312c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683203f44ae9f0b4f5711ee1330be0a011919ee84fa0622fc9ef2cfbac1a312c", kill_on_drop: false }`
[INFO] [stdout] 683203f44ae9f0b4f5711ee1330be0a011919ee84fa0622fc9ef2cfbac1a312c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2b5d3e4cc34f3025690247a728b0190eae3ceaa6895aa5ef83ece03ac26895
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc2b5d3e4cc34f3025690247a728b0190eae3ceaa6895aa5ef83ece03ac26895", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling string v0.1.1
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling http v0.1.10
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.0
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1
[INFO] [stderr]    Compiling tokio-timer v0.2.6
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]    Compiling hyper v0.12.9
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling working-samples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `shear`
[INFO] [stdout]   --> src/traitsamples.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn shear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "bc2b5d3e4cc34f3025690247a728b0190eae3ceaa6895aa5ef83ece03ac26895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2b5d3e4cc34f3025690247a728b0190eae3ceaa6895aa5ef83ece03ac26895", kill_on_drop: false }`
[INFO] [stdout] bc2b5d3e4cc34f3025690247a728b0190eae3ceaa6895aa5ef83ece03ac26895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d2759baa3a8c7ab5cd507fe28089fe3057a7e0f68768e111b499ec82a7f5d2b4
[INFO] running `Command { std: "docker" "start" "-a" "d2759baa3a8c7ab5cd507fe28089fe3057a7e0f68768e111b499ec82a7f5d2b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling working-samples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `shear`
[INFO] [stdout]   --> src/traitsamples.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn shear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shear`
[INFO] [stdout]   --> src/traitsamples.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         fn shear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.15s
[INFO] running `Command { std: "docker" "inspect" "d2759baa3a8c7ab5cd507fe28089fe3057a7e0f68768e111b499ec82a7f5d2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2759baa3a8c7ab5cd507fe28089fe3057a7e0f68768e111b499ec82a7f5d2b4", kill_on_drop: false }`
[INFO] [stdout] d2759baa3a8c7ab5cd507fe28089fe3057a7e0f68768e111b499ec82a7f5d2b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a9e65dd77cce5d890eba93eea9b5dd5a6dc89ce00a7aed7f20792fe7c811168
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a9e65dd77cce5d890eba93eea9b5dd5a6dc89ce00a7aed7f20792fe7c811168", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `shear`
[INFO] [stderr]   --> src/traitsamples.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |         fn shear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shear`
[INFO] [stderr]   --> src/traitsamples.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |         fn shear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/working_samples-f23bdea88263b516
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test ownership_demo::tests::distinct_lifttime ... ok
[INFO] [stdout] test traitsamples::test::dogtest::talk_test ... ok
[INFO] [stdout] test hn_client::playground::de_list_test ... ok
[INFO] [stdout] test ownership_demo::tests::struct_containing_ref ... ok
[INFO] [stdout] test traitsamples::test::bothtest::talk_test ... ok
[INFO] [stdout] test word_count::test::count_word_test ... ok
[INFO] [stdout] test traitsamples::test::sheeptest::talk_test ... ok
[INFO] [stdout] test word_count::test::count_word_fn_test ... ok
[INFO] [stdout] test ownership_demo::tests::move_out_from_vec ... ok
[INFO] [stdout] test ownership_demo::tests::return_ref ... ok
[INFO] [stderr] thread 'tokio-runtime-worker-0' panicked at 'attempted to leave type `core::mem::ManuallyDrop<internal::SealedBag>` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x557cf41d4610 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x557cf41d4610 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x557cf41d4610 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x557cf41d4610 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x557cf41f76ec - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x557cf41cda62 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout] Error: an error occurred trying to connect: failed to lookup address information: Temporary failure in name resolution
[INFO] [stderr]    6:     0x557cf41d6b3d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x557cf41d6b3d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x557cf41d6b3d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x557cf41d67e8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x557cf41d7221 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x557cf41d6dc9 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   12:     0x557cf41d4a9c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x557cf41d6d89 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   14:     0x557cf41f5fc1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]   15:     0x557cf41f5f0d - core::panicking::panic::hc6be4d7009fb30ae
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:50
[INFO] [stderr]   16:     0x557cf4084383 - core::mem::uninitialized::h25e9fc8f47b79df8
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658
[INFO] [stderr]   17:     0x557cf4084383 - crossbeam_epoch::sync::queue::Queue<T>::new::he34b8342e54deea8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.5.2/src/sync/queue.rs:51
[INFO] [stderr]   18:     0x557cf407cbc1 - crossbeam_epoch::internal::Global::new::he4cf6b6e1ddf6791
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.5.2/src/internal.rs:151
[INFO] [stderr]   19:     0x557cf40898b9 - crossbeam_epoch::collector::Collector::new::hcb5086b7f39c0e9b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.5.2/src/collector.rs:33
[INFO] [stderr]   20:     0x557cf408238a - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__static_ref_initialize::hc25991694177109d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.5.2/src/default.rs:12
[INFO] [stderr]   21:     0x557cf408238a - core::ops::function::FnOnce::call_once::h4624adb79043d758
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   22:     0x557cf4080184 - lazy_static::lazy::Lazy<T>::get::{{closure}}::habe0c53ec1e1cfbf
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:28
[INFO] [stderr]   23:     0x557cf40890df - std::sync::once::Once::call_once::{{closure}}::h82de82d3da885186
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:261
[INFO] [stderr]   24:     0x557cf41d3df2 - std::sync::once::Once::call_inner::h33bd609ddf05a465
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:419
[INFO] [stderr]   25:     0x557cf4089061 - std::sync::once::Once::call_once::h6434b43a864a6c32
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:261
[INFO] [stderr]   26:     0x557cf40809f8 - lazy_static::lazy::Lazy<T>::get::h84ccd74142671853
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:27
[INFO] [stderr]   27:     0x557cf40809f8 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__stability::h04205f2d1e07d604
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/lib.rs:149
[INFO] [stderr]   28:     0x557cf40809f8 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::hcb084a8b99fb5f92
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/lib.rs:151
[INFO] [stderr]   29:     0x557cf4080a54 - crossbeam_epoch::default::HANDLE::__init::h04dbb26691ea7069
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.5.2/src/default.rs:17
[INFO] [stderr]   30:     0x557cf4082369 - core::ops::function::FnOnce::call_once::h43b4dc214fbc2351
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   31:     0x557cf40801fc - std::thread::local::lazy::LazyKeyInner<T>::initialize::h5a570fa8f76841de
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:304
[INFO] [stderr]   32:     0x557cf408917d - std::thread::local::fast::Key<T>::try_initialize::h4cfa8cac7fdefa63
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:473
[INFO] [stderr]   33:     0x557cf40892c7 - std::thread::local::fast::Key<T>::get::h214083c0c0cd2ecf
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:456
[INFO] [stderr]   34:     0x557cf4080a9d - crossbeam_epoch::default::HANDLE::__getit::hcd4513373bdf7811
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:183
[INFO] [stderr]   35:     0x557cf4029e2b - std::thread::local::LocalKey<T>::try_with::h3fe72b964172b284
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:271
[INFO] [stderr]   36:     0x557cf4029b6f - std::thread::local::LocalKey<T>::with::hc3dd7be437615e9c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   37:     0x557cf4037954 - crossbeam_epoch::default::is_pinned::h30a4f8fa0b01807f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.5.2/src/default.rs:33
[INFO] [stderr]   38:     0x557cf404f907 - crossbeam_deque::Stealer<T>::steal_many::h6d952b1828a6a02f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.6.1/src/lib.rs:710
[INFO] [stderr]   39:     0x557cf40399d2 - tokio_threadpool::worker::entry::WorkerEntry::steal_tasks::h4cfabfe8c7dcba2f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/worker/entry.rs:204
[INFO] [stderr]   40:     0x557cf4022366 - tokio_threadpool::worker::Worker::try_steal_task::hc5e9d289056a9b17
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/worker/mod.rs:414
[INFO] [stderr]   41:     0x557cf4021baa - tokio_threadpool::worker::Worker::try_run_task::hdc44d0c26b73b817
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/worker/mod.rs:303
[INFO] [stderr]   42:     0x557cf40219c9 - tokio_threadpool::worker::Worker::run::h0b6305b2fcf0b2a7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/worker/mod.rs:240
[INFO] [stderr]   43:     0x557cf3fd17d7 - tokio::runtime::builder::Builder::build::{{closure}}::{{closure}}::{{closure}}::{{closure}}::h85ca951151cb50bd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.8/src/runtime/builder.rs:125
[INFO] [stderr]   44:     0x557cf3fcfd7d - tokio_timer::timer::handle::with_default::{{closure}}::h3e694429e9764a07
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-timer-0.2.6/src/timer/handle.rs:94
[INFO] [stderr]   45:     0x557cf3fcac05 - std::thread::local::LocalKey<T>::try_with::h8a71faf2228ea180
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:272
[INFO] [stderr]   46:     0x557cf3fca77e - std::thread::local::LocalKey<T>::with::h9b83288267bd9bb2
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   47:     0x557cf3fcfbce - tokio_timer::timer::handle::with_default::h52152d3693cbe8be
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-timer-0.2.6/src/timer/handle.rs:81
[INFO] [stderr]   48:     0x557cf3fd1809 - tokio::runtime::builder::Builder::build::{{closure}}::{{closure}}::{{closure}}::h546d50020ff80807
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.8/src/runtime/builder.rs:124
[INFO] [stderr]   49:     0x557cf3fcb4b6 - tokio_timer::clock::clock::with_default::{{closure}}::hec039c2e4714fa0a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-timer-0.2.6/src/clock/clock.rs:136
[INFO] [stderr]   50:     0x557cf3fcad38 - std::thread::local::LocalKey<T>::try_with::hf5b5699c7f41fcdf
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:272
[INFO] [stderr]   51:     0x557cf3fca887 - std::thread::local::LocalKey<T>::with::he4968777b55c8dc1
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   52:     0x557cf3fcb3bb - tokio_timer::clock::clock::with_default::hee863c2e3b05156e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-timer-0.2.6/src/clock/clock.rs:119
[INFO] [stderr]   53:     0x557cf3fd183f - tokio::runtime::builder::Builder::build::{{closure}}::{{closure}}::hecf40e4f3f5d9771
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.8/src/runtime/builder.rs:123
[INFO] [stderr]   54:     0x557cf3fd00bb - tokio_reactor::with_default::{{closure}}::h2c3f7ef485686086
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-reactor-0.1.5/src/lib.rs:232
[INFO] [stderr]   55:     0x557cf3fcaad1 - std::thread::local::LocalKey<T>::try_with::h1a2e4f0c20c415f4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:272
[INFO] [stderr]   56:     0x557cf3fca808 - std::thread::local::LocalKey<T>::with::hbb5fed6b7d2f8e6b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   57:     0x557cf3fcfea8 - tokio_reactor::with_default::h3a68b8a31a5ad202
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-reactor-0.1.5/src/lib.rs:215
[INFO] [stderr]   58:     0x557cf3fd19bb - tokio::runtime::builder::Builder::build::{{closure}}::hddec54a90d618fec
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.8/src/runtime/builder.rs:122
[INFO] [stderr]   59:     0x557cf4048da7 - tokio_threadpool::callback::Callback::call::hb39f4824acef94ab
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/callback.rs:21
[INFO] [stderr]   60:     0x557cf4021641 - tokio_threadpool::worker::Worker::do_run::{{closure}}::{{closure}}::haa97d990f8cca732
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/worker/mod.rs:122
[INFO] [stderr]   61:     0x557cf4037899 - tokio_executor::global::with_default::{{closure}}::ha257bce6eaf5bf5d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.1.4/src/global.rs:173
[INFO] [stderr]   62:     0x557cf4029fe5 - std::thread::local::LocalKey<T>::try_with::h5420164e3c5300fd
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:272
[INFO] [stderr]   63:     0x557cf402991e - std::thread::local::LocalKey<T>::with::h432cd00b4b36209f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   64:     0x557cf4037781 - tokio_executor::global::with_default::hd5ec082edd972260
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.1.4/src/global.rs:143
[INFO] [stderr]   65:     0x557cf40216ff - tokio_threadpool::worker::Worker::do_run::{{closure}}::h2b7c403fd3b3dd8e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/worker/mod.rs:120
[INFO] [stderr]   66:     0x557cf4029d9d - std::thread::local::LocalKey<T>::try_with::h37607dcfd7bb1d00
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:272
[INFO] [stderr]   67:     0x557cf4029984 - std::thread::local::LocalKey<T>::with::h4f68a7e349394f85
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   68:     0x557cf4021518 - tokio_threadpool::worker::Worker::do_run::h473935177fb9a832
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/worker/mod.rs:111
[INFO] [stderr]   69:     0x557cf402839e - tokio_threadpool::pool::Pool::spawn_thread::{{closure}}::h0005bab16fdafc29
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.6/src/pool/mod.rs:413
[INFO] [stderr]   70:     0x557cf4041518 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7a86d06dca7862d9
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   71:     0x557cf402acf6 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h73c19b0d511ab6a3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   72:     0x557cf4041089 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46560971112ad4a1
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   73:     0x557cf4032394 - std::panicking::try::do_call::ha91cd644cda01995
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   74:     0x557cf403402d - __rust_try
[INFO] [stderr]   75:     0x557cf403224d - std::panicking::try::hf7afae7e642fddc6
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   76:     0x557cf4041579 - std::panic::catch_unwind::h1acb637f7c862143
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   77:     0x557cf402aaf1 - std::thread::Builder::spawn_unchecked::{{closure}}::h032362debec47885
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   78:     0x557cf4044dcf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h50c3365262dca5c4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   79:     0x557cf41ddfca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   80:     0x557cf41ddfca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   81:     0x557cf41ddfca - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   82:     0x7f97fd1b2609 - start_thread
[INFO] [stderr]   83:     0x7f97fd43f103 - clone
[INFO] [stderr]   84:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/working_samples-f23bdea88263b516` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "0a9e65dd77cce5d890eba93eea9b5dd5a6dc89ce00a7aed7f20792fe7c811168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9e65dd77cce5d890eba93eea9b5dd5a6dc89ce00a7aed7f20792fe7c811168", kill_on_drop: false }`
[INFO] [stdout] 0a9e65dd77cce5d890eba93eea9b5dd5a6dc89ce00a7aed7f20792fe7c811168
