[INFO] crate dir_lines_streamer 0.2.0 is already in cache [INFO] extracting crate dir_lines_streamer 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/dir_lines_streamer/0.2.0 [INFO] extracting crate dir_lines_streamer 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dir_lines_streamer/0.2.0 [INFO] validating manifest of dir_lines_streamer-0.2.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of dir_lines_streamer-0.2.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing dir_lines_streamer-0.2.0 [INFO] finished frobbing dir_lines_streamer-0.2.0 [INFO] frobbed toml for dir_lines_streamer-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/dir_lines_streamer/0.2.0/Cargo.toml [INFO] started frobbing dir_lines_streamer-0.2.0 [INFO] finished frobbing dir_lines_streamer-0.2.0 [INFO] frobbed toml for dir_lines_streamer-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dir_lines_streamer/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded alphanumeric-sort v1.0.7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing dir_lines_streamer-0.2.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dir_lines_streamer/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 98985a944e45d0093cb38b99a1ff5a19f4b49676e08d12bb5543190b8d85c120 [INFO] running `"docker" "start" "-a" "98985a944e45d0093cb38b99a1ff5a19f4b49676e08d12bb5543190b8d85c120"` [INFO] [stderr] Compiling alphanumeric-sort v1.0.7 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling dir_lines_streamer v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `"docker" "inspect" "98985a944e45d0093cb38b99a1ff5a19f4b49676e08d12bb5543190b8d85c120"` [INFO] running `"docker" "rm" "-f" "98985a944e45d0093cb38b99a1ff5a19f4b49676e08d12bb5543190b8d85c120"` [INFO] [stdout] 98985a944e45d0093cb38b99a1ff5a19f4b49676e08d12bb5543190b8d85c120 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dir_lines_streamer/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] bff4675f9c2d6e01abfb9d30f97e99365198732c21f27349d5140990ee21b046 [INFO] running `"docker" "start" "-a" "bff4675f9c2d6e01abfb9d30f97e99365198732c21f27349d5140990ee21b046"` [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling dir_lines_streamer v0.2.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.33s [INFO] running `"docker" "inspect" "bff4675f9c2d6e01abfb9d30f97e99365198732c21f27349d5140990ee21b046"` [INFO] running `"docker" "rm" "-f" "bff4675f9c2d6e01abfb9d30f97e99365198732c21f27349d5140990ee21b046"` [INFO] [stdout] bff4675f9c2d6e01abfb9d30f97e99365198732c21f27349d5140990ee21b046 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/dir_lines_streamer/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 5a9e8dee76dfc3226bcbe796aa0b2dbf192374bb7457be3955c85813b3058013 [INFO] running `"docker" "start" "-a" "5a9e8dee76dfc3226bcbe796aa0b2dbf192374bb7457be3955c85813b3058013"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/dir_lines_streamer-67a8e81bbd7f2919 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::streamer_failure ... ok [INFO] [stderr] [2019-08-03T22:12:06Z 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.1", [INFO] [stderr] "fixtures/non-empty-dir/messages", [INFO] [stderr] "fixtures/non-empty-dir/messages.2", [INFO] [stderr] ] [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening first file: "fixtures/non-empty-dir/messages.2" [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.2" [INFO] [stderr] [2019-08-03T22:12:06Z 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.1", [INFO] [stderr] "fixtures/non-empty-dir/messages", [INFO] [stderr] "fixtures/non-empty-dir/messages.2", [INFO] [stderr] ] [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening first file: "fixtures/non-empty-dir/messages.2" [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.2" [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages" [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.1" [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.10" [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.20" [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.30.gz" [INFO] [stderr] [2019-08-03T22:12:06Z DEBUG dir_lines_streamer] Setting up Gzip decompression... [INFO] [stdout] test tests::streamer_success ... FAILED [INFO] [stdout] test tests::collect ... FAILED [INFO] [stdout] test tests::streamer_empty ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::streamer_success stdout ---- [INFO] [stdout] thread 'tests::streamer_success' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `"line one from messages.2\n"`, [INFO] [stdout] right: `"line one from messages\n"`', src/lib.rs:257:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5609ee1c0ae3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x5609ee1bc3cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5609ee1bf7d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x5609ee1bf4fe - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5609ee1bfedf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5609ee1bfa61 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x5609ee1bf9ae - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x5609ee02a330 - dir_lines_streamer::tests::streamer_success::h45a12c5369a083c4 [INFO] [stdout] at src/lib.rs:257 [INFO] [stdout] 8: 0x5609ee029f89 - dir_lines_streamer::tests::streamer_success::{{closure}}::h7c70947b0a6bd11e [INFO] [stdout] at src/lib.rs:229 [INFO] [stdout] 9: 0x5609ee0228cd - core::ops::function::FnOnce::call_once::ha47984db4cd2c737 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x5609ee11282e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 11: 0x5609ee1c33a9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 12: 0x5609ee12d127 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 13: 0x5609ee107b44 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 14: 0x5609ee10bbf4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 15: 0x5609ee1c33a9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x5609ee10c201 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 17: 0x5609ee1b378e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 18: 0x5609ee1c276f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 19: 0x7f9e5be3f4a3 - start_thread [INFO] [stdout] 20: 0x7f9e5b96ad0e - __clone [INFO] [stdout] 21: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- tests::collect stdout ---- [INFO] [stdout] thread 'tests::collect' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `"line one from messages.2\n"`, [INFO] [stdout] right: `"line one from messages\n"`', src/lib.rs:292:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5609ee1c0ae3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x5609ee1bc3cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5609ee1bf7d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x5609ee1bf4fe - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5609ee1bfedf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5609ee1bfa61 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x5609ee1bf9ae - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x5609ee02a818 - dir_lines_streamer::tests::collect::hdfac5dc3d2cf8845 [INFO] [stdout] at src/lib.rs:292 [INFO] [stdout] 8: 0x5609ee02a459 - dir_lines_streamer::tests::collect::{{closure}}::hd6c087a944287717 [INFO] [stdout] at src/lib.rs:262 [INFO] [stdout] 9: 0x5609ee02298d - core::ops::function::FnOnce::call_once::hc7a3c3e51701b7e6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x5609ee11282e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 11: 0x5609ee1c33a9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 12: 0x5609ee12d127 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 13: 0x5609ee107b44 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 14: 0x5609ee10bbf4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 15: 0x5609ee1c33a9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x5609ee10c201 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 17: 0x5609ee1b378e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 18: 0x5609ee1c276f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 19: 0x7f9e5be3f4a3 - start_thread [INFO] [stdout] 20: 0x7f9e5b96ad0e - __clone [INFO] [stdout] 21: 0x0 - [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: 0x5609ee1c0ae3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x5609ee1bc3cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5609ee1bf7d6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x5609ee1bf4fe - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5609ee1bfedf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5609ee1653f7 - std::panicking::begin_panic::he9a5521bdad96e39 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x5609ee029f3e - dir_lines_streamer::tests::streamer_empty::h7df500489b78fbd3 [INFO] [stdout] at src/lib.rs:224 [INFO] [stdout] 7: 0x5609ee029c89 - dir_lines_streamer::tests::streamer_empty::{{closure}}::h6d40446705f34a3a [INFO] [stdout] at src/lib.rs:213 [INFO] [stdout] 8: 0x5609ee02288d - core::ops::function::FnOnce::call_once::h311fe5abb2c2857c [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 9: 0x5609ee11282e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x5609ee1c33a9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x5609ee12d127 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 12: 0x5609ee107b44 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x5609ee10bbf4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 14: 0x5609ee1c33a9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x5609ee10c201 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x5609ee1b378e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x5609ee1c276f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 18: 0x7f9e5be3f4a3 - start_thread [INFO] [stdout] 19: 0x7f9e5b96ad0e - __clone [INFO] [stdout] 20: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::collect [INFO] [stdout] tests::streamer_empty [INFO] [stdout] tests::streamer_success [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "5a9e8dee76dfc3226bcbe796aa0b2dbf192374bb7457be3955c85813b3058013"` [INFO] running `"docker" "rm" "-f" "5a9e8dee76dfc3226bcbe796aa0b2dbf192374bb7457be3955c85813b3058013"` [INFO] [stdout] 5a9e8dee76dfc3226bcbe796aa0b2dbf192374bb7457be3955c85813b3058013