[INFO] crate follow 0.1.5 is already in cache [INFO] testing follow-0.1.5 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate follow 0.1.5 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate follow 0.1.5 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate follow 0.1.5 [INFO] finished tweaking crates.io crate follow 0.1.5 [INFO] tweaked toml for crates.io crate follow 0.1.5 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 285337bd52f337793e28a7f9f4a6c8ad00f416704f9ec0d6e1008f2dade4e429 [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" "285337bd52f337793e28a7f9f4a6c8ad00f416704f9ec0d6e1008f2dade4e429"` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling terminal_size v0.1.11 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling fern v0.3.5 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling chrono v0.3.0 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling docopt v0.7.0 [INFO] [stderr] Compiling follow v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/worker.rs:180:27 [INFO] [stderr] | [INFO] [stderr] 180 | return Ok((cursor..len)); [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/worker.rs:189:27 [INFO] [stderr] | [INFO] [stderr] 189 | return Ok((0..len)); [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:143:28 [INFO] [stderr] | [INFO] [stderr] 143 | Some((Width(w @ 20 ... 200), _)) => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_verbose` [INFO] [stderr] --> src/args.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn is_verbose(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.21s [INFO] running `"docker" "inspect" "285337bd52f337793e28a7f9f4a6c8ad00f416704f9ec0d6e1008f2dade4e429"` [INFO] running `"docker" "rm" "-f" "285337bd52f337793e28a7f9f4a6c8ad00f416704f9ec0d6e1008f2dade4e429"` [INFO] [stdout] 285337bd52f337793e28a7f9f4a6c8ad00f416704f9ec0d6e1008f2dade4e429 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 28a39cdf822831b69e140766eaf00d57b943bfb835056805569b4db54ad79876 [INFO] running `"docker" "start" "-a" "28a39cdf822831b69e140766eaf00d57b943bfb835056805569b4db54ad79876"` [INFO] [stderr] Compiling pulse v0.5.3 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling rustversion v1.0.2 [INFO] [stderr] Compiling time-macros-impl v0.1.0 [INFO] [stderr] Compiling time v0.2.9 [INFO] [stderr] Compiling time-macros v0.1.0 [INFO] [stderr] Compiling timebomb v0.1.2 [INFO] [stderr] Compiling follow v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/worker.rs:180:27 [INFO] [stderr] | [INFO] [stderr] 180 | return Ok((cursor..len)); [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/worker.rs:189:27 [INFO] [stderr] | [INFO] [stderr] 189 | return Ok((0..len)); [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/worker.rs:658:46 [INFO] [stderr] | [INFO] [stderr] 658 | let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:143:28 [INFO] [stderr] | [INFO] [stderr] 143 | Some((Width(w @ 20 ... 200), _)) => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred [INFO] [stderr] --> src/worker.rs:218:9 [INFO] [stderr] | [INFO] [stderr] 218 | use std::sync::atomic::ATOMIC_BOOL_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred [INFO] [stderr] --> src/worker.rs:228:42 [INFO] [stderr] | [INFO] [stderr] 228 | static LOGGER_IS_SETUP: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_verbose` [INFO] [stderr] --> src/args.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn is_verbose(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 23.18s [INFO] running `"docker" "inspect" "28a39cdf822831b69e140766eaf00d57b943bfb835056805569b4db54ad79876"` [INFO] running `"docker" "rm" "-f" "28a39cdf822831b69e140766eaf00d57b943bfb835056805569b4db54ad79876"` [INFO] [stdout] 28a39cdf822831b69e140766eaf00d57b943bfb835056805569b4db54ad79876 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 37cf5bbd6d138480ac4bd68981a0d753b16d9e96c972307fa3f92bd21cfca56d [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" "37cf5bbd6d138480ac4bd68981a0d753b16d9e96c972307fa3f92bd21cfca56d"` [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/worker.rs:180:27 [INFO] [stderr] | [INFO] [stderr] 180 | return Ok((cursor..len)); [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/worker.rs:189:27 [INFO] [stderr] | [INFO] [stderr] 189 | return Ok((0..len)); [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/worker.rs:658:46 [INFO] [stderr] | [INFO] [stderr] 658 | let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:143:28 [INFO] [stderr] | [INFO] [stderr] 143 | Some((Width(w @ 20 ... 200), _)) => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred [INFO] [stderr] --> src/worker.rs:218:9 [INFO] [stderr] | [INFO] [stderr] 218 | use std::sync::atomic::ATOMIC_BOOL_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred [INFO] [stderr] --> src/worker.rs:228:42 [INFO] [stderr] | [INFO] [stderr] 228 | static LOGGER_IS_SETUP: AtomicBool = ATOMIC_BOOL_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_verbose` [INFO] [stderr] --> src/args.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn is_verbose(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.29s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/follow-7dc574e6e591bfda [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test worker::tests::it_reads_lines_from_file_with_contents ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_less_than_buffer_size ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_equal_to_buffer_size ... ok [INFO] [stdout] test worker::tests::it_reads_a_byte_of_text ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_one_byte_less_than_buffer_size ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_one_byte_larger_than_buffer_size ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_two_buffers_in_size ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_one_byte_less_than_two_buffers_in_size ... ok [INFO] [stdout] test worker::tests::it_continues_reading_after_truncation ... ok [INFO] [stdout] test worker::tests::it_retuns_none_if_file_doesnt_exist_before_worker_is_created ... ok [INFO] [stdout] test worker::tests::it_retuns_none_if_file_is_deleted_after_worker_is_created_but_before_it_runs ... ok [INFO] [stdout] test worker::tests::it_retuns_none_if_file_is_deleted_after_worker_runs ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--bin follow' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size stdout ---- [INFO] [stdout] thread 'worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size' panicked at 'log: Error(Msg("failed to init logger"), State { next_error: Some(Io(Os { code: 30, kind: Other, message: "Read-only file system" })), backtrace: Some( 0: error_chain::make_backtrace [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.10.0/src/lib.rs:417 [INFO] [stdout] 1: core::ops::function::FnOnce::call_once [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 2: core::option::Option::or_else [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/option.rs:766 [INFO] [stdout] 3: error_chain::State::new [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.10.0/src/lib.rs:518 [INFO] [stdout] 4: as follow::errors::ResultExt>::chain_err::{{closure}} [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.10.0/src/error_chain.rs:308 [INFO] [stdout] 5: core::result::Result::map_err [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/result.rs:612 [INFO] [stdout] 6: as follow::errors::ResultExt>::chain_err [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/error-chain-0.10.0/src/error_chain.rs:307 [INFO] [stdout] 7: follow::setup_logging [INFO] [stdout] at src/main.rs:191 [INFO] [stdout] 8: follow::worker::tests::with_setup [INFO] [stdout] at src/worker.rs:245 [INFO] [stdout] 9: follow::worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size [INFO] [stdout] at src/worker.rs:612 [INFO] [stdout] 10: follow::worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size::{{closure}} [INFO] [stdout] at src/worker.rs:611 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 13: as core::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] std::panicking::try::do_call [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] std::panicking::try [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] std::panic::catch_unwind [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test_in_process [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] test::run_test::run_test_inner::{{closure}} [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 14: std::sys_common::backtrace::__rust_begin_short_backtrace [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 15: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}} [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] std::panicking::try::do_call [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] std::panicking::try [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] std::panic::catch_unwind [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}} [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}} [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: as core::ops::function::FnOnce>::call_once [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: as core::ops::function::FnOnce>::call_once [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 18: start_thread [INFO] [stdout] 19: __clone [INFO] [stdout] ) })', src/worker.rs:245:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f7dd0dd0d4 - 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: 0x55f7dd0dd0d4 - 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: 0x55f7dd0dd0d4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55f7dd0dd0d4 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55f7dd106d4c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x55f7dd006e95 - std::io::Write::write_fmt::hc31efe493f037457 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x55f7dd0d71b1 - std::io::impls::>::write_fmt::hfcb1ff6c5b834381 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x55f7dd0dff05 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55f7dd0dff05 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55f7dd0dff05 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55f7dd0dfbeb - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x55f7dd0e0562 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x55f7dd0e014b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x55f7dd105771 - core::panicking::panic_fmt::hc8f9a0b2af5fb585 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x55f7dd105593 - core::option::expect_none_failed::ha34d57526cca3063 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x55f7dcfcd516 - core::result::Result::expect::h9ce9751fbcb8bbcd [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55f7dcfb227a - follow::worker::tests::with_setup::h29cb1ae4b5e77cc3 [INFO] [stdout] at src/worker.rs:245 [INFO] [stdout] 17: 0x55f7dcfbaa26 - follow::worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size::he19c390269e1b5e0 [INFO] [stdout] at src/worker.rs:612 [INFO] [stdout] 18: 0x55f7dcfbaa0a - follow::worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size::{{closure}}::he23caccb239aaa8e [INFO] [stdout] at src/worker.rs:611 [INFO] [stdout] 19: 0x55f7dcff6dee - core::ops::function::FnOnce::call_once::h15536a37735b2e27 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x55f7dd012d8f - as core::ops::function::FnOnce>::call_once::he1ba1da20629a2d8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 21: 0x55f7dd02e38e - as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x55f7dd02e38e - std::panicking::try::do_call::h1585003392664d93 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 23: 0x55f7dd02e38e - std::panicking::try::h43d950f958a74468 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x55f7dd02e38e - std::panic::catch_unwind::hb5284de2977ddeea [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x55f7dd02e38e - test::run_test_in_process::had39bb305b26a3ae [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x55f7dd02e38e - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x55f7dd006346 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x55f7dd00b665 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x55f7dd00b665 - as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x55f7dd00b665 - std::panicking::try::do_call::hbcd49dc3823e8b28 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 31: 0x55f7dd00b665 - std::panicking::try::h1ba95c07dd8d422b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x55f7dd00b665 - std::panic::catch_unwind::h95854794ba9eee4c [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x55f7dd00b665 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x55f7dd00b665 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x55f7dd0d28af - as core::ops::function::FnOnce>::call_once::h48069b269ca48108 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x55f7dd0e76b3 - as core::ops::function::FnOnce>::call_once::heff660b32cd3afd8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 37: 0x55f7dd0e76b3 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f37a366f6db - start_thread [INFO] [stdout] 39: 0x7f37a318088f - __clone [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size [INFO] [stdout] [INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "37cf5bbd6d138480ac4bd68981a0d753b16d9e96c972307fa3f92bd21cfca56d"` [INFO] running `"docker" "rm" "-f" "37cf5bbd6d138480ac4bd68981a0d753b16d9e96c972307fa3f92bd21cfca56d"` [INFO] [stdout] 37cf5bbd6d138480ac4bd68981a0d753b16d9e96c972307fa3f92bd21cfca56d