[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 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] f19eef350fc474dae99d5f48ab177ecb1d9018035c5f9febbf014d578115af55 [INFO] running `"docker" "start" "-a" "f19eef350fc474dae99d5f48ab177ecb1d9018035c5f9febbf014d578115af55"` [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 ansi_term v0.9.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling terminal_size v0.1.8 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling fern v0.3.5 [INFO] [stderr] Compiling error-chain v0.10.0 [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 24.47s [INFO] running `"docker" "inspect" "f19eef350fc474dae99d5f48ab177ecb1d9018035c5f9febbf014d578115af55"` [INFO] running `"docker" "rm" "-f" "f19eef350fc474dae99d5f48ab177ecb1d9018035c5f9febbf014d578115af55"` [INFO] [stdout] f19eef350fc474dae99d5f48ab177ecb1d9018035c5f9febbf014d578115af55 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] e112db1082293f15617fb28fb7d57541781f6e930a0dcd0700a006d2a9c63b96 [INFO] running `"docker" "start" "-a" "e112db1082293f15617fb28fb7d57541781f6e930a0dcd0700a006d2a9c63b96"` [INFO] [stderr] Compiling atom v0.3.5 [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 5.15s [INFO] running `"docker" "inspect" "e112db1082293f15617fb28fb7d57541781f6e930a0dcd0700a006d2a9c63b96"` [INFO] running `"docker" "rm" "-f" "e112db1082293f15617fb28fb7d57541781f6e930a0dcd0700a006d2a9c63b96"` [INFO] [stdout] e112db1082293f15617fb28fb7d57541781f6e930a0dcd0700a006d2a9c63b96 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 83a879df75999055ee74961bfff865edbefcfebec544da420f3bfadb005c528e [INFO] running `"docker" "start" "-a" "83a879df75999055ee74961bfff865edbefcfebec544da420f3bfadb005c528e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/follow-9baba4773a75fb83 [INFO] [stdout] [INFO] [stdout] running 13 tests [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_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_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_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_less_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_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] [stderr] error: test failed, to rerun pass '--bin follow' [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::ha8dc6c3a5112ee3b (0x5570d11d0f84) [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::h47d4aa9f5095b1a1 (0x5570d1126d5a) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 2: core::option::Option::or_else::h7d8cc3c7030b92ac (0x5570d113605e) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/option.rs:716 [INFO] [stdout] 3: error_chain::State::new::h2b333700cc6a5f80 (0x5570d11259fa) [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}}::h9ac03871c960d798 (0x5570d112e4b6) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::error_chain_processed macros>:131 [INFO] [stdout] 5: core::result::Result::map_err::h429fa09071a3d2ed (0x5570d1142320) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:522 [INFO] [stdout] 6: as follow::errors::ResultExt>::chain_err::h97852794cbeeef9e (0x5570d1147166) [INFO] [stdout] at /opt/crater/workdir/<::error_chain::error_chain::error_chain_processed macros>:129 [INFO] [stdout] 7: follow::setup_logging::h5b6995ff3b2ef6b0 (0x5570d112d83b) [INFO] [stdout] at src/main.rs:191 [INFO] [stdout] 8: follow::worker::tests::with_setup::h1ad7de77abcec338 (0x5570d10f291b) [INFO] [stdout] at src/worker.rs:245 [INFO] [stdout] 9: follow::worker::tests::it_reads_lines_from_file_with_contents::h0f86f8f106fa7080 (0x5570d10f3d16) [INFO] [stdout] at src/worker.rs:255 [INFO] [stdout] 10: follow::worker::tests::it_reads_lines_from_file_with_contents::{{closure}}::hb0fef8addcb07228 (0x5570d10f3cfa) [INFO] [stdout] at src/worker.rs:254 [INFO] [stdout] 11: core::ops::function::FnOnce::call_once::hc2f3559dcb741185 (0x5570d11270de) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 12: as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 (0x5570d115b41f) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 13: __rust_maybe_catch_panic (0x5570d123770a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: std::panicking::try::h5a93466ab2078586 (0x5570d1175a18) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 15: std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 (0x5570d1150895) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 16: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af (0x5570d1154955) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 17: __rust_maybe_catch_panic (0x5570d123770a) [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: std::panicking::try::hb54ba808181fe352 (0x5570d1155052) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 19: as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 (0x5570d1228acf) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 20: as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d (0x5570d1236dd0) [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 21: start_thread (0x7fbd64a4c4a4) [INFO] [stdout] 22: __clone (0x7fbd64577d0f) [INFO] [stdout] 23: (0x0)) })', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5570d12341ab - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5570d12341ab - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5570d12341ab - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5570d12341ab - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5570d12341ab - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5570d1233e1a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5570d1234920 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5570d12344a2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5570d1234386 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5570d124ad8d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5570d113f5e3 - core::result::unwrap_failed::h37900b209207d2f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5570d11400e2 - core::result::Result::expect::he20793c779ff7df8 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827 [INFO] [stdout] 12: 0x5570d10f2933 - follow::worker::tests::with_setup::h1ad7de77abcec338 [INFO] [stdout] at src/worker.rs:245 [INFO] [stdout] 13: 0x5570d10f3d16 - follow::worker::tests::it_reads_lines_from_file_with_contents::h0f86f8f106fa7080 [INFO] [stdout] at src/worker.rs:255 [INFO] [stdout] 14: 0x5570d10f3cfa - follow::worker::tests::it_reads_lines_from_file_with_contents::{{closure}}::hb0fef8addcb07228 [INFO] [stdout] at src/worker.rs:254 [INFO] [stdout] 15: 0x5570d11270de - core::ops::function::FnOnce::call_once::hc2f3559dcb741185 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x5570d115b41f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 17: 0x5570d123770a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5570d1175a18 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5570d1175a18 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5570d1175a18 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 21: 0x5570d1150895 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 22: 0x5570d1154955 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x5570d1154955 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x5570d1154955 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 25: 0x5570d123770a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 26: 0x5570d1155052 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 27: 0x5570d1155052 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x5570d1155052 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x5570d1155052 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 30: 0x5570d1228acf - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 31: 0x5570d1236dd0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 32: 0x5570d1236dd0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x5570d1236dd0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7fbd64a4c4a4 - start_thread [INFO] [stdout] 35: 0x7fbd64577d0f - __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] running `"docker" "inspect" "83a879df75999055ee74961bfff865edbefcfebec544da420f3bfadb005c528e"` [INFO] running `"docker" "rm" "-f" "83a879df75999055ee74961bfff865edbefcfebec544da420f3bfadb005c528e"` [INFO] [stdout] 83a879df75999055ee74961bfff865edbefcfebec544da420f3bfadb005c528e