[INFO] crate follow 0.1.5 is already in cache [INFO] extracting crate follow 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/follow/0.1.5 [INFO] extracting crate follow 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/follow/0.1.5 [INFO] validating manifest of follow-0.1.5 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 follow-0.1.5 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 follow-0.1.5 [INFO] finished frobbing follow-0.1.5 [INFO] frobbed toml for follow-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/follow/0.1.5/Cargo.toml [INFO] started frobbing follow-0.1.5 [INFO] finished frobbing follow-0.1.5 [INFO] frobbed toml for follow-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/follow/0.1.5/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing follow-0.1.5 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/follow/0.1.5:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 6ab1c062c6db683cd41ef14d02d5d5c148d22dd71a3557b80fa93dfb2ccb3f0a [INFO] running `"docker" "start" "-a" "6ab1c062c6db683cd41ef14d02d5d5c148d22dd71a3557b80fa93dfb2ccb3f0a"` [INFO] [stderr] Compiling terminal_size v0.1.8 [INFO] [stderr] Compiling fern v0.3.5 [INFO] [stderr] Compiling docopt v0.7.0 [INFO] [stderr] Compiling follow v0.1.5 (/opt/crater/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] Finished dev [unoptimized + debuginfo] target(s) in 8.95s [INFO] running `"docker" "inspect" "6ab1c062c6db683cd41ef14d02d5d5c148d22dd71a3557b80fa93dfb2ccb3f0a"` [INFO] running `"docker" "rm" "-f" "6ab1c062c6db683cd41ef14d02d5d5c148d22dd71a3557b80fa93dfb2ccb3f0a"` [INFO] [stdout] 6ab1c062c6db683cd41ef14d02d5d5c148d22dd71a3557b80fa93dfb2ccb3f0a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/follow/0.1.5:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 1e47aa79a0df45bc70f8e3c7fe10440ace50b2a2b68a891ed45e18a68bac158f [INFO] running `"docker" "start" "-a" "1e47aa79a0df45bc70f8e3c7fe10440ace50b2a2b68a891ed45e18a68bac158f"` [INFO] [stderr] Compiling pulse v0.5.3 [INFO] [stderr] Compiling timebomb v0.1.2 [INFO] [stderr] Compiling follow v0.1.5 (/opt/crater/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] Finished dev [unoptimized + debuginfo] target(s) in 4.06s [INFO] running `"docker" "inspect" "1e47aa79a0df45bc70f8e3c7fe10440ace50b2a2b68a891ed45e18a68bac158f"` [INFO] running `"docker" "rm" "-f" "1e47aa79a0df45bc70f8e3c7fe10440ace50b2a2b68a891ed45e18a68bac158f"` [INFO] [stdout] 1e47aa79a0df45bc70f8e3c7fe10440ace50b2a2b68a891ed45e18a68bac158f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/follow/0.1.5:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] a46932c15156d81fa94550cffb1a5eee3be42b4e10ee417ea7749d9a8ef2de1e [INFO] running `"docker" "start" "-a" "a46932c15156d81fa94550cffb1a5eee3be42b4e10ee417ea7749d9a8ef2de1e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/follow-7ba321dc6591e66a [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size ... ok [INFO] [stdout] test worker::tests::it_reads_a_byte_of_text ... ok [INFO] [stdout] test worker::tests::it_reads_lines_from_file_with_contents ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_equal_to_buffer_size ... ok [INFO] [stdout] test worker::tests::it_reads_new_text_less_than_buffer_size ... ok [INFO] [stdout] test worker::tests::it_continues_reading_after_truncation ... 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_reads_new_text_one_byte_larger_than_buffer_size ... 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_runs ... 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_reads_new_text_one_byte_less_than_buffer_size ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- worker::tests::it_reads_new_text_one_byte_less_than_buffer_size stdout ---- [INFO] [stdout] thread 'worker::tests::it_reads_new_text_one_byte_less_than_buffer_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(stack backtrace: [INFO] [stdout] 0: error_chain::make_backtrace::h469bd127a7e48a4d (0x55a99ebc2a84) [INFO] [stdout] at /opt/crater/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::h209c328d5f65a9df (0x55a99eb1d75a) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 2: core::option::Option::or_else::hc10330532534725d (0x55a99eb2caae) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/option.rs:716 [INFO] [stdout] 3: error_chain::State::new::h4884170162e3a4d1 (0x55a99eb1c46a) [INFO] [stdout] at /opt/crater/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}}::h33d379c4aef97914 (0x55a99eb248e6) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::error_chain_processed macros>:131 [INFO] [stdout] 5: core::result::Result::map_err::h129c522af689a44c (0x55a99eb37770) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:522 [INFO] [stdout] 6: as follow::errors::ResultExt>::chain_err::h9423abdd562fd9b3 (0x55a99eb3dac6) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::error_chain_processed macros>:129 [INFO] [stdout] 7: follow::setup_logging::hefd39eeeba30dd31 (0x55a99eb2428b) [INFO] [stdout] at src/main.rs:191 [INFO] [stdout] 8: follow::worker::tests::with_setup::h71fd26e5a101eff2 (0x55a99eae995b) [INFO] [stdout] at src/worker.rs:245 [INFO] [stdout] 9: follow::worker::tests::it_reads_new_text_one_byte_less_than_buffer_size::h56f8b4466897a24d (0x55a99eaefae6) [INFO] [stdout] at src/worker.rs:511 [INFO] [stdout] 10: follow::worker::tests::it_reads_new_text_one_byte_less_than_buffer_size::{{closure}}::h3792ba663445f790 (0x55a99eaefaca) [INFO] [stdout] at src/worker.rs:510 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::he6caa2d4c401c6cd (0x55a99eb1dc5e) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 (0x55a99eb51e6f) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x55a99ec2f39a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h4b4c6c15836266eb (0x55a99eb6c468) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 (0x55a99eb472e5) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 (0x55a99eb4b465) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x55a99ec2f39a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::h9fff34be50f16431 (0x55a99eb4baa2) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b (0x55a99ec2075f) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 (0x55a99ec2ea60) [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7fb111dfc4a4) [INFO] [stdout] 22: __clone (0x7fb111927d0f) [INFO] [stdout] 23: (0x0)) })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a99ec2be3b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55a99ec2be3b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55a99ec2be3b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55a99ec2be3b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55a99ec2be3b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55a99ec2baaa - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x55a99ec2c5b0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55a99ec2c132 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55a99ec2c016 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55a99ec428fd - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55a99eb36403 - core::result::unwrap_failed::h618792bc49fe508a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x55a99eb369f2 - core::result::Result::expect::h26c067bf8cb171ce [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:827 [INFO] [stdout] 12: 0x55a99eae9973 - follow::worker::tests::with_setup::h71fd26e5a101eff2 [INFO] [stdout] at src/worker.rs:245 [INFO] [stdout] 13: 0x55a99eaefae6 - follow::worker::tests::it_reads_new_text_one_byte_less_than_buffer_size::h56f8b4466897a24d [INFO] [stdout] at src/worker.rs:511 [INFO] [stdout] 14: 0x55a99eaefaca - follow::worker::tests::it_reads_new_text_one_byte_less_than_buffer_size::{{closure}}::h3792ba663445f790 [INFO] [stdout] at src/worker.rs:510 [INFO] [stdout] 15: 0x55a99eb1dc5e - core::ops::function::FnOnce::call_once::he6caa2d4c401c6cd [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x55a99eb51e6f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x55a99ec2f39a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x55a99eb6c468 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x55a99eb6c468 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x55a99eb6c468 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x55a99eb472e5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x55a99eb4b465 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x55a99eb4b465 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x55a99eb4b465 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x55a99ec2f39a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x55a99eb4baa2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x55a99eb4baa2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x55a99eb4baa2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x55a99eb4baa2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x55a99ec2075f - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x55a99ec2ea60 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x55a99ec2ea60 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x55a99ec2ea60 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7fb111dfc4a4 - start_thread [INFO] [stdout] 35: 0x7fb111927d0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] worker::tests::it_reads_new_text_one_byte_less_than_buffer_size [INFO] [stdout] [INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin follow' [INFO] running `"docker" "inspect" "a46932c15156d81fa94550cffb1a5eee3be42b4e10ee417ea7749d9a8ef2de1e"` [INFO] running `"docker" "rm" "-f" "a46932c15156d81fa94550cffb1a5eee3be42b4e10ee417ea7749d9a8ef2de1e"` [INFO] [stdout] a46932c15156d81fa94550cffb1a5eee3be42b4e10ee417ea7749d9a8ef2de1e