[INFO] cloning repository https://github.com/shadowmint/rust-base-task
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shadowmint/rust-base-task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a776ec0900c60834d72f6bf72caeb5fe8b11d25
[INFO] testing shadowmint/rust-base-task 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%2Fshadowmint%2Frust-base-task" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shadowmint/rust-base-task 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/shadowmint/rust-base-task
[INFO] finished tweaking git repo https://github.com/shadowmint/rust-base-task
[INFO] tweaked toml for git repo https://github.com/shadowmint/rust-base-task written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/shadowmint/rust-base-task 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9433f4154f54f3b9aecab95c87270cb5fca28ffa7644f48ae91399ba5430c49b
[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" "9433f4154f54f3b9aecab95c87270cb5fca28ffa7644f48ae91399ba5430c49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9433f4154f54f3b9aecab95c87270cb5fca28ffa7644f48ae91399ba5430c49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9433f4154f54f3b9aecab95c87270cb5fca28ffa7644f48ae91399ba5430c49b", kill_on_drop: false }`
[INFO] [stdout] 9433f4154f54f3b9aecab95c87270cb5fca28ffa7644f48ae91399ba5430c49b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7a667077561a13a5f88c6c36fc9e819db2c29d70eef479cf832a89d2ad6b7f19
[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" "7a667077561a13a5f88c6c36fc9e819db2c29d70eef479cf832a89d2ad6b7f19", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling base-task v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/task.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     action: Box<TaskFunc>,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn TaskFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/task_error.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |         write!(f, "{:?}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "7a667077561a13a5f88c6c36fc9e819db2c29d70eef479cf832a89d2ad6b7f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a667077561a13a5f88c6c36fc9e819db2c29d70eef479cf832a89d2ad6b7f19", kill_on_drop: false }`
[INFO] [stdout] 7a667077561a13a5f88c6c36fc9e819db2c29d70eef479cf832a89d2ad6b7f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b80ce9e60a9df7f296621eb773ed86c3f4a2743ea691939ce9de148ae720c5dd
[INFO] running `Command { std: "docker" "start" "-a" "b80ce9e60a9df7f296621eb773ed86c3f4a2743ea691939ce9de148ae720c5dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling tokio-executor v0.1.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/task.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     action: Box<TaskFunc>,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn TaskFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/task_error.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |         write!(f, "{:?}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.0
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.3
[INFO] [stderr]    Compiling base-task v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/task.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     action: Box<TaskFunc>,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn TaskFunc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/task_error.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |         write!(f, "{:?}", self.description())
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.01s
[INFO] running `Command { std: "docker" "inspect" "b80ce9e60a9df7f296621eb773ed86c3f4a2743ea691939ce9de148ae720c5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80ce9e60a9df7f296621eb773ed86c3f4a2743ea691939ce9de148ae720c5dd", kill_on_drop: false }`
[INFO] [stdout] b80ce9e60a9df7f296621eb773ed86c3f4a2743ea691939ce9de148ae720c5dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c73b120fd01235237ad14b5a315249b9bf517cb6f80e6d98760ffd848f6cefc0
[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" "c73b120fd01235237ad14b5a315249b9bf517cb6f80e6d98760ffd848f6cefc0", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/task.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |     action: Box<TaskFunc>,
[INFO] [stderr]   |                 ^^^^^^^^ help: use `dyn`: `dyn TaskFunc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/task_error.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |         write!(f, "{:?}", self.description())
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/task.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |     action: Box<TaskFunc>,
[INFO] [stderr]   |                 ^^^^^^^^ help: use `dyn`: `dyn TaskFunc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/task_error.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |         write!(f, "{:?}", self.description())
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/base_task-e141e3201faf0f46
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test task::tests::test_resolve_local_task ... ok
[INFO] [stdout] test task::tests::test_resolve_local_task_with_error ... ok
[INFO] [stdout] test task::tests::test_resolve_task_across_threads ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `core::mem::ManuallyDrop<(epoch::Epoch, garbage::Bag)>` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stdout] test task::tests::test_resolve_local_task_with_panic ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55f9291508f0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55f9291508f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55f9291508f0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55f9291508f0 - <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:     0x55f929172e3c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x55f92914ce72 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x55f929152e3d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55f929152e3d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55f929152e3d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x55f929152ae8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x55f929153521 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x55f9291530c9 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]   12:     0x55f929150d7c - 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:     0x55f929153089 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]   14:     0x55f929171711 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]   15:     0x55f92917165d - core::panicking::panic::hc6be4d7009fb30ae
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:50
[INFO] [stderr]   16:     0x55f9290f7926 - core::mem::uninitialized::hb483655c01cb35b5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658
[INFO] [stderr]   17:     0x55f9290f7926 - crossbeam_epoch::sync::queue::Queue<T>::new::hd8234e9725a3534e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.4.0/src/sync/queue.rs:51
[INFO] [stderr]   18:     0x55f9290ef669 - crossbeam_epoch::internal::Global::new::h8c18eba58667141a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.4.0/src/internal.rs:59
[INFO] [stderr]   19:     0x55f9290fbec1 - crossbeam_epoch::collector::Collector::new::h9af2661a4bf01457
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.4.0/src/collector.rs:32
[INFO] [stderr]   20:     0x55f9290f418a - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__static_ref_initialize::h850815b1c23af679
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.4.0/src/default.rs:12
[INFO] [stderr]   21:     0x55f9290f418a - core::ops::function::FnOnce::call_once::h1bdaa123e1d6c9ea
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   22:     0x55f9290f3414 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h864ba37b91388d41
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   23:     0x55f9290f890f - std::sync::once::Once::call_once::{{closure}}::h1eed328706d761ed
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:261
[INFO] [stderr]   24:     0x55f929150222 - std::sync::once::Once::call_inner::h33bd609ddf05a465
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:419
[INFO] [stderr]   25:     0x55f9290f8891 - std::sync::once::Once::call_once::h168b35fb106cfa86
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sync/once.rs:261
[INFO] [stderr]   26:     0x55f9290fbf5f - lazy_static::lazy::Lazy<T>::get::h5fe9bf2114797a2c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   27:     0x55f9290fbf5f - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__stability::hbae27b5157b9eb09
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lib.rs:138
[INFO] [stderr]   28:     0x55f9290fbf5f - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::h2b5759aeb2810748
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lib.rs:140
[INFO] [stderr]   29:     0x55f9290fbf94 - crossbeam_epoch::default::HANDLE::__init::h628027a1cf03ae1a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.4.0/src/default.rs:17
[INFO] [stderr]   30:     0x55f9290f41f9 - core::ops::function::FnOnce::call_once::hf1c8a49845427abb
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   31:     0x55f9290fb48c - std::thread::local::lazy::LazyKeyInner<T>::initialize::hb6e66f7b65f2ce5d
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:304
[INFO] [stderr]   32:     0x55f9290f89ad - std::thread::local::fast::Key<T>::try_initialize::h1c7c29824c3a85e1
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:473
[INFO] [stderr]   33:     0x55f9290f8af7 - std::thread::local::fast::Key<T>::get::h513ebc04198443b3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:456
[INFO] [stderr]   34:     0x55f9290fbfdd - crossbeam_epoch::default::HANDLE::__getit::h196889150d153039
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:183
[INFO] [stderr]   35:     0x55f9290e627b - std::thread::local::LocalKey<T>::try_with::h2c68ee0daeff0447
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:271
[INFO] [stderr]   36:     0x55f9290e5dbf - std::thread::local::LocalKey<T>::with::hc6e0905ecb413c6d
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   37:     0x55f9290da204 - crossbeam_epoch::default::is_pinned::h99b5413fc4e38b9d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.4.0/src/default.rs:33
[INFO] [stderr]   38:     0x55f9290dfb3f - crossbeam_deque::Stealer<T>::steal::h39e0b5e3ac087f96
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.3.0/src/lib.rs:707
[INFO] [stderr]   39:     0x55f9290d1666 - tokio_threadpool::Worker::try_steal_task::hbd88468fba9bdd1d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.0/src/lib.rs:1479
[INFO] [stderr]   40:     0x55f9290d0e7c - tokio_threadpool::Worker::run::h9017d4d1fe475061
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.0/src/lib.rs:1368
[INFO] [stderr]   41:     0x55f9290c9227 - tokio::runtime::Runtime::new::{{closure}}::{{closure}}::hbf8cb1e4c4ad7c17
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.3/src/runtime.rs:224
[INFO] [stderr]   42:     0x55f9290c9882 - tokio_reactor::with_default::{{closure}}::ha41f5e02289262f5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-reactor-0.1.0/src/lib.rs:193
[INFO] [stderr]   43:     0x55f9290c9a75 - std::thread::local::LocalKey<T>::try_with::h7dfa07671afecb2a
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:272
[INFO] [stderr]   44:     0x55f9290c995e - std::thread::local::LocalKey<T>::with::h55277a518d3c6a73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   45:     0x55f9290c970e - tokio_reactor::with_default::hc91cec682acb2e9f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-reactor-0.1.0/src/lib.rs:185
[INFO] [stderr]   46:     0x55f9290c925e - tokio::runtime::Runtime::new::{{closure}}::hf9c9e0f8d5f024ee
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.3/src/runtime.rs:223
[INFO] [stderr]   47:     0x55f9290d5027 - tokio_threadpool::Callback::call::h936dc1d30177de74
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.0/src/lib.rs:2105
[INFO] [stderr]   48:     0x55f9290d0a31 - tokio_threadpool::Worker::spawn::{{closure}}::{{closure}}::{{closure}}::h91158a640938eb06
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.0/src/lib.rs:1320
[INFO] [stderr]   49:     0x55f9290d7d0c - tokio_executor::global::with_default::{{closure}}::h4725edce214e3a68
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.1.0/src/global.rs:147
[INFO] [stderr]   50:     0x55f9290e61f5 - std::thread::local::LocalKey<T>::try_with::h1d7fa3a694c4ef56
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:272
[INFO] [stderr]   51:     0x55f9290e5e2e - std::thread::local::LocalKey<T>::with::hd2aaf1af02a303a3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   52:     0x55f9290d7bc1 - tokio_executor::global::with_default::h5330c81f8e6abb81
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-executor-0.1.0/src/global.rs:121
[INFO] [stderr]   53:     0x55f9290d0aef - tokio_threadpool::Worker::spawn::{{closure}}::{{closure}}::h654eeb9133fa9f4b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.0/src/lib.rs:1318
[INFO] [stderr]   54:     0x55f9290e656d - std::thread::local::LocalKey<T>::try_with::h8abd62688c12e07b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:272
[INFO] [stderr]   55:     0x55f9290e5ca4 - std::thread::local::LocalKey<T>::with::h9669512ba4834d0b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/local.rs:248
[INFO] [stderr]   56:     0x55f9290d0bb1 - tokio_threadpool::Worker::spawn::{{closure}}::ha2a9d18b6a1031e6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-threadpool-0.1.0/src/lib.rs:1309
[INFO] [stderr]   57:     0x55f9290d8423 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcd29d913229740a9
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   58:     0x55f9290e9014 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h9e8c314bb54dbb6e
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   59:     0x55f9290e3204 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb766e98ae8dcad90
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   60:     0x55f9290e91ab - std::panicking::try::do_call::h5d393a9b6b55c71a
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   61:     0x55f9290e9d8d - __rust_try
[INFO] [stderr]   62:     0x55f9290e90fd - std::panicking::try::he0a05c0117f6697e
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   63:     0x55f9290e3d84 - std::panic::catch_unwind::h4e420defdad4c8e9
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   64:     0x55f9290e8e20 - std::thread::Builder::spawn_unchecked::{{closure}}::h39d925328e746787
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   65:     0x55f9290dacdf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e6089b9660dbeef
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   66:     0x55f9291596da - <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]   67:     0x55f9291596da - <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]   68:     0x55f9291596da - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   69:     0x7f4346d14609 - start_thread
[INFO] [stderr]   70:     0x7f4346f9f103 - clone
[INFO] [stderr]   71:                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/base_task-e141e3201faf0f46` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "c73b120fd01235237ad14b5a315249b9bf517cb6f80e6d98760ffd848f6cefc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73b120fd01235237ad14b5a315249b9bf517cb6f80e6d98760ffd848f6cefc0", kill_on_drop: false }`
[INFO] [stdout] c73b120fd01235237ad14b5a315249b9bf517cb6f80e6d98760ffd848f6cefc0
