[INFO] crate dir_lines_streamer 0.2.0 is already in cache [INFO] testing dir_lines_streamer-0.2.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate dir_lines_streamer 0.2.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate dir_lines_streamer 0.2.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [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-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e5848faee51792a4df1508d870c8013d06fc3a1e65318aaeb66b6e82c5a80b8e [INFO] running `"docker" "start" "-a" "e5848faee51792a4df1508d870c8013d06fc3a1e65318aaeb66b6e82c5a80b8e"` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling alphanumeric-sort v1.0.12 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling miniz_oxide v0.3.6 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling dir_lines_streamer v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.78s [INFO] running `"docker" "inspect" "e5848faee51792a4df1508d870c8013d06fc3a1e65318aaeb66b6e82c5a80b8e"` [INFO] running `"docker" "rm" "-f" "e5848faee51792a4df1508d870c8013d06fc3a1e65318aaeb66b6e82c5a80b8e"` [INFO] [stdout] e5848faee51792a4df1508d870c8013d06fc3a1e65318aaeb66b6e82c5a80b8e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stdout] 9b90f76d5a6e66a22d05f1ce171553edbe95caaa1615ebd193a25b8deb26db0c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "9b90f76d5a6e66a22d05f1ce171553edbe95caaa1615ebd193a25b8deb26db0c"` [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling atty v0.2.14 [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 5.63s [INFO] running `"docker" "inspect" "9b90f76d5a6e66a22d05f1ce171553edbe95caaa1615ebd193a25b8deb26db0c"` [INFO] running `"docker" "rm" "-f" "9b90f76d5a6e66a22d05f1ce171553edbe95caaa1615ebd193a25b8deb26db0c"` [INFO] [stdout] 9b90f76d5a6e66a22d05f1ce171553edbe95caaa1615ebd193a25b8deb26db0c [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ba162f3480b62ef0f4b8b727cc8fd73839b00cb6ead676380b5f5853e7e2c35d [INFO] running `"docker" "start" "-a" "ba162f3480b62ef0f4b8b727cc8fd73839b00cb6ead676380b5f5853e7e2c35d"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/dir_lines_streamer-28eec657b4b9e3ba [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] files: [ [INFO] [stdout] [INFO] [stderr] "fixtures/non-empty-dir/messages.30.gz", [INFO] [stdout] running 4 tests [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] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening first file: "fixtures/non-empty-dir/messages" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.1" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.2" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.10" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.20" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.30.gz" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Setting up Gzip decompression... [INFO] [stdout] test tests::collect ... ok [INFO] [stderr] [2020-04-19T08:47:53Z 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] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening first file: "fixtures/non-empty-dir/messages" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.1" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.2" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.10" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.20" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Opening file: "fixtures/non-empty-dir/messages.30.gz" [INFO] [stderr] [2020-04-19T08:47:53Z DEBUG dir_lines_streamer] Setting up Gzip decompression... [INFO] [stdout] test tests::streamer_success ... ok [INFO] [stdout] test tests::streamer_failure ... 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: 0x55bce60e5754 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55bce60e5754 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55bce60e5754 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55bce60e5754 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55bce610ec2c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55bce60366c5 - std::io::Write::write_fmt::hc31efe493f037457 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55bce60df411 - std::io::impls::>::write_fmt::hfcb1ff6c5b834381 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55bce60e8025 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55bce60e8025 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55bce60e8025 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55bce60e7d0b - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55bce60e8682 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55bce60b0c21 - std::panicking::begin_panic::h64771ced5963015a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x55bce5f6bb0e - dir_lines_streamer::tests::streamer_empty::h84a37eb7c14dc97b [INFO] [stdout] at src/lib.rs:224 [INFO] [stdout] 14: 0x55bce5f6ba4a - dir_lines_streamer::tests::streamer_empty::{{closure}}::hd4246882f63b631b [INFO] [stdout] at src/lib.rs:213 [INFO] [stdout] 15: 0x55bce5f591be - core::ops::function::FnOnce::call_once::h51159c0ea2b76ae4 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x55bce60425bf - as core::ops::function::FnOnce>::call_once::he1ba1da20629a2d8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: 0x55bce605dbbe - as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x55bce605dbbe - std::panicking::try::do_call::h1585003392664d93 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x55bce605dbbe - std::panicking::try::h43d950f958a74468 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x55bce605dbbe - std::panic::catch_unwind::hb5284de2977ddeea [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55bce605dbbe - test::run_test_in_process::had39bb305b26a3ae [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x55bce605dbbe - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x55bce6035b76 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x55bce603ae95 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x55bce603ae95 - as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x55bce603ae95 - std::panicking::try::do_call::hbcd49dc3823e8b28 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 27: 0x55bce603ae95 - std::panicking::try::h1ba95c07dd8d422b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x55bce603ae95 - std::panic::catch_unwind::h95854794ba9eee4c [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x55bce603ae95 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x55bce603ae95 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x55bce60db4af - as core::ops::function::FnOnce>::call_once::h48069b269ca48108 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 32: 0x55bce60ef303 - as core::ops::function::FnOnce>::call_once::heff660b32cd3afd8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x55bce60ef303 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7f08055116db - start_thread [INFO] [stdout] 35: 0x7f080502288f - __clone [INFO] [stdout] 36: 0x0 - [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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "ba162f3480b62ef0f4b8b727cc8fd73839b00cb6ead676380b5f5853e7e2c35d"` [INFO] running `"docker" "rm" "-f" "ba162f3480b62ef0f4b8b727cc8fd73839b00cb6ead676380b5f5853e7e2c35d"` [INFO] [stdout] ba162f3480b62ef0f4b8b727cc8fd73839b00cb6ead676380b5f5853e7e2c35d