[INFO] fetching crate libraildriver 0.1.1...
[INFO] testing libraildriver-0.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate libraildriver 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libraildriver 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libraildriver 0.1.1
[INFO] finished tweaking crates.io crate libraildriver 0.1.1
[INFO] tweaked toml for crates.io crate libraildriver 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate libraildriver 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44f2dd29d1af3b6d9dba3f8235130e633d0bf212453765ff8320b6ad9c40f1fc
[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" "44f2dd29d1af3b6d9dba3f8235130e633d0bf212453765ff8320b6ad9c40f1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44f2dd29d1af3b6d9dba3f8235130e633d0bf212453765ff8320b6ad9c40f1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f2dd29d1af3b6d9dba3f8235130e633d0bf212453765ff8320b6ad9c40f1fc", kill_on_drop: false }`
[INFO] [stdout] 44f2dd29d1af3b6d9dba3f8235130e633d0bf212453765ff8320b6ad9c40f1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c196104444e840b9baef2bbfc1c9148973d7c4d6a43cbe328f0f01158925fde
[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" "7c196104444e840b9baef2bbfc1c9148973d7c4d6a43cbe328f0f01158925fde", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling libraildriver-sys v0.1.1
[INFO] [stderr]    Compiling libraildriver v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "7c196104444e840b9baef2bbfc1c9148973d7c4d6a43cbe328f0f01158925fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c196104444e840b9baef2bbfc1c9148973d7c4d6a43cbe328f0f01158925fde", kill_on_drop: false }`
[INFO] [stdout] 7c196104444e840b9baef2bbfc1c9148973d7c4d6a43cbe328f0f01158925fde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44c963b72f448cf9c105aee8f2a5d16862964a3b6de1f3370fd699ba0f4e6025
[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" "44c963b72f448cf9c105aee8f2a5d16862964a3b6de1f3370fd699ba0f4e6025", kill_on_drop: false }`
[INFO] [stderr]    Compiling libraildriver v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "44c963b72f448cf9c105aee8f2a5d16862964a3b6de1f3370fd699ba0f4e6025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c963b72f448cf9c105aee8f2a5d16862964a3b6de1f3370fd699ba0f4e6025", kill_on_drop: false }`
[INFO] [stdout] 44c963b72f448cf9c105aee8f2a5d16862964a3b6de1f3370fd699ba0f4e6025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b3ffcab1507c31bb5a06ac5be3642934c53aea3b9dfc554b9159751a04a4d02
[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" "6b3ffcab1507c31bb5a06ac5be3642934c53aea3b9dfc554b9159751a04a4d02", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libraildriver-26de20d74b090e3e
[INFO] [stderr]    Doc-tests libraildriver
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] Test executable failed (terminated by signal).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: Other, error: "RailDriver64.dll: cannot open shared object file: No such file or directory" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libraildriver-sys-0.1.1/src/lib.rs:14:43
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ae6c2b5530 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55ae6c2b5530 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55ae6c2b5530 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55ae6c2b5530 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55ae6c2d2bac - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55ae6c2b3b17 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55ae6c2b7600 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x55ae6c2b7600 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x55ae6c2b7600 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]    9:     0x55ae6c2b734c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stdout]   10:     0x55ae6c2b7c63 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   11:     0x55ae6c2b7839 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   12:     0x55ae6c2b59bc - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   13:     0x55ae6c2b77f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   14:     0x55ae6c2d1491 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x55ae6c2d12b3 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stdout]   16:     0x55ae6c29c0da - core::result::Result<T,E>::unwrap::hd04725c38c45b582
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/result.rs:973
[INFO] [stdout]   17:     0x55ae6c29a793 - libraildriver_sys::get_library::hc339ed9f78e2dfc4
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libraildriver-sys-0.1.1/src/lib.rs:14
[INFO] [stdout]   18:     0x55ae6c29a897 - libraildriver_sys::SetRailDriverConnected::h63f1621246a1cf8a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libraildriver-sys-0.1.1/src/lib.rs:27
[INFO] [stdout]   19:     0x55ae6c29a64b - libraildriver::Context::connect::he2a86db025774c8d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:207
[INFO] [stdout]   20:     0x55ae6c29a5f3 - libraildriver::Context::new::h8242d073015f5fb7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:202
[INFO] [stdout]   21:     0x55ae6c29a42d - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   22:     0x55ae6c29a333 - core::ops::function::FnOnce::call_once::hdcd857a6fc725660
[INFO] [stdout]   23:     0x55ae6c29a189 - std::sys_common::backtrace::__rust_begin_short_backtrace::h58530cce963ea820
[INFO] [stdout]   24:     0x55ae6c29a219 - std::rt::lang_start::{{closure}}::had844b611966ddaf
[INFO] [stdout]   25:     0x55ae6c2b8061 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stdout]   26:     0x55ae6c2b8061 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   27:     0x55ae6c2b8061 - std::panicking::try::h6311c259678e50fc
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   28:     0x55ae6c2b8061 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   29:     0x55ae6c2b8061 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stdout]   30:     0x55ae6c29a1f8 - std::rt::lang_start::h1b0fb7b0bf978bb4
[INFO] [stdout]   31:     0x55ae6c29a56b - main
[INFO] [stdout]   32:     0x7f116dbbe0b3 - __libc_start_main
[INFO] [stdout]   33:     0x55ae6c29a0be - _start
[INFO] [stdout]   34:                0x0 - <unknown>
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: Other, error: "RailDriver64.dll: cannot open shared object file: No such file or directory" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libraildriver-sys-0.1.1/src/lib.rs:14:43
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ae6c2b5530 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55ae6c2b5530 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55ae6c2b5530 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55ae6c2b5530 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55ae6c2d2bac - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55ae6c2b3b17 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55ae6c2b7600 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x55ae6c2b7600 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x55ae6c2b7600 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]    9:     0x55ae6c2b734c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stdout]   10:     0x55ae6c2b7c63 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   11:     0x55ae6c2b7839 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   12:     0x55ae6c2b59bc - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   13:     0x55ae6c2b77f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   14:     0x55ae6c2d1491 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x55ae6c2d12b3 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stdout]   16:     0x55ae6c29c0da - core::result::Result<T,E>::unwrap::hd04725c38c45b582
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/result.rs:973
[INFO] [stdout]   17:     0x55ae6c29a793 - libraildriver_sys::get_library::hc339ed9f78e2dfc4
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libraildriver-sys-0.1.1/src/lib.rs:14
[INFO] [stdout]   18:     0x55ae6c29a897 - libraildriver_sys::SetRailDriverConnected::h63f1621246a1cf8a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libraildriver-sys-0.1.1/src/lib.rs:27
[INFO] [stdout]   19:     0x55ae6c29a678 - libraildriver::Context::disconnect::h5704b33f1e739cce
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:212
[INFO] [stdout]   20:     0x55ae6c29a5da - <libraildriver::Context as core::ops::drop::Drop>::drop::ha99fefd610d4524e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:191
[INFO] [stdout]   21:     0x55ae6c29a5bf - core::ptr::drop_in_place::hf54a95c27bc4cf1c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ptr/mod.rs:184
[INFO] [stdout]   22:     0x55ae6c29a61a - libraildriver::Context::new::h8242d073015f5fb7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:204
[INFO] [stdout]   23:     0x55ae6c29a42d - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   24:     0x55ae6c29a333 - core::ops::function::FnOnce::call_once::hdcd857a6fc725660
[INFO] [stdout]   25:     0x55ae6c29a189 - std::sys_common::backtrace::__rust_begin_short_backtrace::h58530cce963ea820
[INFO] [stdout]   26:     0x55ae6c29a219 - std::rt::lang_start::{{closure}}::had844b611966ddaf
[INFO] [stdout]   27:     0x55ae6c2b8061 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stdout]   28:     0x55ae6c2b8061 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   29:     0x55ae6c2b8061 - std::panicking::try::h6311c259678e50fc
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   30:     0x55ae6c2b8061 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   31:     0x55ae6c2b8061 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stdout]   32:     0x55ae6c29a1f8 - std::rt::lang_start::h1b0fb7b0bf978bb4
[INFO] [stdout]   33:     0x55ae6c29a56b - main
[INFO] [stdout]   34:     0x7f116dbbe0b3 - __libc_start_main
[INFO] [stdout]   35:     0x55ae6c29a0be - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] thread panicked while panicking. aborting.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b3ffcab1507c31bb5a06ac5be3642934c53aea3b9dfc554b9159751a04a4d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3ffcab1507c31bb5a06ac5be3642934c53aea3b9dfc554b9159751a04a4d02", kill_on_drop: false }`
[INFO] [stdout] 6b3ffcab1507c31bb5a06ac5be3642934c53aea3b9dfc554b9159751a04a4d02
