[INFO] crate follow 0.1.5 is already in cache [INFO] extracting crate follow 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/follow/0.1.5 [INFO] extracting crate follow 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/follow/0.1.5 [INFO] validating manifest of follow-0.1.5 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of follow-0.1.5 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/follow/0.1.5/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing follow-0.1.5 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] 76a5d66df889aa629b5d09a84924ccb08f6406f1c4dcb7a89fee503dee3a400a [INFO] running `"docker" "start" "-a" "76a5d66df889aa629b5d09a84924ccb08f6406f1c4dcb7a89fee503dee3a400a"` [INFO] [stderr] Compiling ucd-util v0.1.5 [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 glob v0.2.11 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling terminal_size v0.1.8 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling fern v0.3.5 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling chrono v0.3.0 [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 20.56s [INFO] running `"docker" "inspect" "76a5d66df889aa629b5d09a84924ccb08f6406f1c4dcb7a89fee503dee3a400a"` [INFO] running `"docker" "rm" "-f" "76a5d66df889aa629b5d09a84924ccb08f6406f1c4dcb7a89fee503dee3a400a"` [INFO] [stdout] 76a5d66df889aa629b5d09a84924ccb08f6406f1c4dcb7a89fee503dee3a400a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 261a977b6e4ee94fe0bf9f828f5f48566b4f3a0a5d2a2f860cc263f3c11bef20 [INFO] running `"docker" "start" "-a" "261a977b6e4ee94fe0bf9f828f5f48566b4f3a0a5d2a2f860cc263f3c11bef20"` [INFO] [stderr] Compiling atom v0.3.5 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling tempdir v0.3.7 [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 5.93s [INFO] running `"docker" "inspect" "261a977b6e4ee94fe0bf9f828f5f48566b4f3a0a5d2a2f860cc263f3c11bef20"` [INFO] running `"docker" "rm" "-f" "261a977b6e4ee94fe0bf9f828f5f48566b4f3a0a5d2a2f860cc263f3c11bef20"` [INFO] [stdout] 261a977b6e4ee94fe0bf9f828f5f48566b4f3a0a5d2a2f860cc263f3c11bef20 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] 16922fddc009553e09326dee434227da9318f8ead501fdac4c66166ef26937e1 [INFO] running `"docker" "start" "-a" "16922fddc009553e09326dee434227da9318f8ead501fdac4c66166ef26937e1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/follow-832ef6a0c2a091bb [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test worker::tests::it_reads_a_byte_of_text ... 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_reads_new_text_between_one_and_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_reads_new_text_one_byte_less_than_two_buffers_in_size ... 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_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_lines_from_file_with_contents ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- worker::tests::it_reads_lines_from_file_with_contents stdout ---- [INFO] [stdout] thread 'worker::tests::it_reads_lines_from_file_with_contents' 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::hdbbc41f5bfbeb6e9 (0x558c1aba6464) [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::h8ca3e98a1cd17c4b (0x558c1ab0c50a) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 2: core::option::Option::or_else::h5ecd0b87e27824b4 (0x558c1ab13f19) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/option.rs:751 [INFO] [stdout] 3: error_chain::State::new::h3155e538543f8f1c (0x558c1aaf376a) [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}}::h0d68a7f7964d1808 (0x558c1ab154b3) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::error_chain_processed macros>:195 [INFO] [stdout] 5: core::result::Result::map_err::h727dd8cfe34fc64d (0x558c1aae791a) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:574 [INFO] [stdout] 6: as follow::errors::ResultExt>::chain_err::hac21b624940e7982 (0x558c1aae93e6) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::error_chain_processed macros>:192 [INFO] [stdout] 7: follow::setup_logging::h6138280a831aa4a8 (0x558c1ab14e6c) [INFO] [stdout] at src/main.rs:191 [INFO] [stdout] 8: follow::worker::tests::with_setup::h6c30e01d0ae07a88 (0x558c1aacc41b) [INFO] [stdout] at src/worker.rs:245 [INFO] [stdout] 9: follow::worker::tests::it_reads_lines_from_file_with_contents::h1541b58b08a587ef (0x558c1aacd1b6) [INFO] [stdout] at src/worker.rs:255 [INFO] [stdout] 10: follow::worker::tests::it_reads_lines_from_file_with_contents::{{closure}}::h3e0032c0ac30f825 (0x558c1aacd19a) [INFO] [stdout] at src/worker.rs:254 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hdec51856ad7c7471 (0x558c1ab0c6ae) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h355e655b04400826 (0x558c1ab35d6f) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x558c1ac0d05a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 14: std::panicking::try::h5890cbed5d1d8df0 (0x558c1ab5035e) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::hf93cc71fc6442fdf [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 (0x558c1ab2b795) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 (0x558c1ab2f9a5) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::hfd443b32b22f72a6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x558c1ac0d05a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 18: std::panicking::try::h332f368ed7d9b7d1 (0x558c1ab2ffa2) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h316b7be8b4198222 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 (0x558c1abfe19f) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h92593001847bb63e (0x558c1ac0c700) [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7fe503cf34a4) [INFO] [stdout] 22: __clone (0x7fe50381ed0f) [INFO] [stdout] 23: (0x0)) })', src/libcore/result.rs:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x558c1ac097ab - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x558c1ac097ab - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x558c1ac097ab - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x558c1ac097ab - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x558c1ac097ab - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x558c1ac0941c - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x558c1ac09f1d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x558c1ac09aa2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x558c1ac09986 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x558c1ac2061d - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x558c1ac20717 - core::result::unwrap_failed::hd83f272814becce6 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x558c1aae5746 - core::result::Result::expect::h07530767b97c7172 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:879 [INFO] [stdout] 12: 0x558c1aacc433 - follow::worker::tests::with_setup::h6c30e01d0ae07a88 [INFO] [stdout] at src/worker.rs:245 [INFO] [stdout] 13: 0x558c1aacd1b6 - follow::worker::tests::it_reads_lines_from_file_with_contents::h1541b58b08a587ef [INFO] [stdout] at src/worker.rs:255 [INFO] [stdout] 14: 0x558c1aacd19a - follow::worker::tests::it_reads_lines_from_file_with_contents::{{closure}}::h3e0032c0ac30f825 [INFO] [stdout] at src/worker.rs:254 [INFO] [stdout] 15: 0x558c1ab0c6ae - core::ops::function::FnOnce::call_once::hdec51856ad7c7471 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 16: 0x558c1ab35d6f - as core::ops::function::FnOnce>::call_once::h355e655b04400826 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 17: 0x558c1ac0d05a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 18: 0x558c1ab5035e - std::panicking::try::h5890cbed5d1d8df0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x558c1ab5035e - std::panic::catch_unwind::hf93cc71fc6442fdf [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x558c1ab5035e - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 21: 0x558c1ab2b795 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x558c1ab2f9a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x558c1ab2f9a5 - as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x558c1ab2f9a5 - std::panicking::try::do_call::hfd443b32b22f72a6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x558c1ac0d05a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 26: 0x558c1ab2ffa2 - std::panicking::try::h332f368ed7d9b7d1 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x558c1ab2ffa2 - std::panic::catch_unwind::h316b7be8b4198222 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x558c1ab2ffa2 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x558c1ab2ffa2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 30: 0x558c1abfe19f - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 31: 0x558c1ac0c700 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 32: 0x558c1ac0c700 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x558c1ac0c700 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7fe503cf34a4 - start_thread [INFO] [stdout] 35: 0x7fe50381ed0f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] worker::tests::it_reads_lines_from_file_with_contents [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" "16922fddc009553e09326dee434227da9318f8ead501fdac4c66166ef26937e1"` [INFO] running `"docker" "rm" "-f" "16922fddc009553e09326dee434227da9318f8ead501fdac4c66166ef26937e1"` [INFO] [stdout] 16922fddc009553e09326dee434227da9318f8ead501fdac4c66166ef26937e1