[INFO] fetching crate dir_lines_streamer 0.2.0...
[INFO] testing dir_lines_streamer-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate dir_lines_streamer 0.2.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate dir_lines_streamer 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dir_lines_streamer 0.2.0
[INFO] finished tweaking crates.io crate dir_lines_streamer 0.2.0
[INFO] tweaked toml for crates.io crate dir_lines_streamer 0.2.0 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alphanumeric-sort v1.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c1301a6d8172815e01754c5bd7177641b34ed7928bd58a8dc1a628318b576e6
[INFO] running `Command { std: "docker" "start" "-a" "5c1301a6d8172815e01754c5bd7177641b34ed7928bd58a8dc1a628318b576e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c1301a6d8172815e01754c5bd7177641b34ed7928bd58a8dc1a628318b576e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1301a6d8172815e01754c5bd7177641b34ed7928bd58a8dc1a628318b576e6", kill_on_drop: false }`
[INFO] [stdout] 5c1301a6d8172815e01754c5bd7177641b34ed7928bd58a8dc1a628318b576e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b85ce5295ca3ba2d1555a9314677331e22ca436e9e31910f39cc543da28405c5
[INFO] running `Command { std: "docker" "start" "-a" "b85ce5295ca3ba2d1555a9314677331e22ca436e9e31910f39cc543da28405c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling alphanumeric-sort v1.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling dir_lines_streamer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `Command { std: "docker" "inspect" "b85ce5295ca3ba2d1555a9314677331e22ca436e9e31910f39cc543da28405c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85ce5295ca3ba2d1555a9314677331e22ca436e9e31910f39cc543da28405c5", kill_on_drop: false }`
[INFO] [stdout] b85ce5295ca3ba2d1555a9314677331e22ca436e9e31910f39cc543da28405c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce0b1f870431235130eab1cdddd112feda55f6488a8b797110981a1c8340e4c
[INFO] running `Command { std: "docker" "start" "-a" "cce0b1f870431235130eab1cdddd112feda55f6488a8b797110981a1c8340e4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling dir_lines_streamer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "cce0b1f870431235130eab1cdddd112feda55f6488a8b797110981a1c8340e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce0b1f870431235130eab1cdddd112feda55f6488a8b797110981a1c8340e4c", kill_on_drop: false }`
[INFO] [stdout] cce0b1f870431235130eab1cdddd112feda55f6488a8b797110981a1c8340e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc32a5745186bbad62b0d3e3c50c9ae6db5ea8327fcd7c81abaf434dc8f131b9
[INFO] running `Command { std: "docker" "start" "-a" "cc32a5745186bbad62b0d3e3c50c9ae6db5ea8327fcd7c81abaf434dc8f131b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dir_lines_streamer-0461d54f40c4f512)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] files: [
[INFO] [stderr]     "fixtures/non-empty-dir/messages.30.gz",
[INFO] [stderr]     "fixtures/non-empty-dir/messages.20",
[INFO] [stderr]     "fixtures/non-empty-dir/messages.10",
[INFO] [stderr]     "fixtures/non-empty-dir/messages.2",
[INFO] [stderr]     "fixtures/non-empty-dir/messages.1",
[INFO] [stderr]     "fixtures/non-empty-dir/messages",
[INFO] [stderr] ]
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening first file: "fixtures/non-empty-dir/messages"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.1"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.2"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.10"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.20"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.30.gz"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Setting up Gzip decompression...
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] files: [
[INFO] [stderr]     "fixtures/non-empty-dir/messages.30.gz",
[INFO] [stderr]     "fixtures/non-empty-dir/messages.20",
[INFO] [stderr]     "fixtures/non-empty-dir/messages.10",
[INFO] [stderr]     "fixtures/non-empty-dir/messages.2",
[INFO] [stderr]     "fixtures/non-empty-dir/messages.1",
[INFO] [stderr]     "fixtures/non-empty-dir/messages",
[INFO] [stderr] ]
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening first file: "fixtures/non-empty-dir/messages"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.1"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.2"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.10"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.20"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.30.gz"
[INFO] [stderr] [2021-08-07T01:31:56Z DEBUG dir_lines_streamer] Setting up Gzip decompression...
[INFO] [stdout] test tests::streamer_failure ... ok
[INFO] [stdout] test tests::streamer_success ... ok
[INFO] [stdout] test tests::collect ... ok
[INFO] [stdout] test tests::streamer_empty ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::streamer_empty stdout ----
[INFO] [stdout] thread 'tests::streamer_empty' panicked at 'Unexpected error', src/lib.rs:224:18
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f9ce201470 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55f9ce201470 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f9ce201470 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f9ce201470 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55f9ce22438c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55f9ce1fdd95 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55f9ce20360b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55f9ce20360b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55f9ce20360b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55f9ce20311c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55f9ce203cd4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55f9ce1abcd3 - std::panicking::begin_panic::{{closure}}::h1b438d5a276bca75
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:542:9
[INFO] [stdout]   12:     0x55f9ce1abb59 - std::sys_common::backtrace::__rust_end_short_backtrace::h235e96b756cf2c42
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55f9ce1abc09 - std::panicking::begin_panic::h4d31eb4f6570976c
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:541:12
[INFO] [stdout]   14:     0x55f9ce013409 - dir_lines_streamer::tests::streamer_empty::hbd2dc50f9ff3a97e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:224:18
[INFO] [stdout]   15:     0x55f9ce01330a - dir_lines_streamer::tests::streamer_empty::{{closure}}::hd1956e0fab619ae9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:213:5
[INFO] [stdout]   16:     0x55f9ce026b0e - core::ops::function::FnOnce::call_once::h3e114393476172a2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   17:     0x55f9ce0e9e53 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x55f9ce0e9e53 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   19:     0x55f9ce0e8908 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   20:     0x55f9ce0e8908 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   21:     0x55f9ce0e8908 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   22:     0x55f9ce0e8908 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   23:     0x55f9ce0e8908 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   24:     0x55f9ce0e8908 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   25:     0x55f9ce0e8908 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   26:     0x55f9ce0b709d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   27:     0x55f9ce0b709d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   28:     0x55f9ce0bb868 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   29:     0x55f9ce0bb868 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   30:     0x55f9ce0bb868 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   31:     0x55f9ce0bb868 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   32:     0x55f9ce0bb868 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   33:     0x55f9ce0bb868 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   34:     0x55f9ce0bb868 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   35:     0x55f9ce208f67 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   36:     0x55f9ce208f67 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   37:     0x55f9ce208f67 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   38:     0x7f3abad3e609 - start_thread
[INFO] [stdout]   39:     0x7f3abab10293 - clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::streamer_empty
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "cc32a5745186bbad62b0d3e3c50c9ae6db5ea8327fcd7c81abaf434dc8f131b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc32a5745186bbad62b0d3e3c50c9ae6db5ea8327fcd7c81abaf434dc8f131b9", kill_on_drop: false }`
[INFO] [stdout] cc32a5745186bbad62b0d3e3c50c9ae6db5ea8327fcd7c81abaf434dc8f131b9
