[INFO] updating cached repository sirkibsirkib/middleman [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sirkibsirkib/middleman [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/middleman" "work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/middleman" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f17e5646e8605f2218cf9df89caaf4c8f4a6b207 [INFO] sha for GitHub repo sirkibsirkib/middleman: f17e5646e8605f2218cf9df89caaf4c8f4a6b207 [INFO] validating manifest of sirkibsirkib/middleman 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 sirkibsirkib/middleman 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 sirkibsirkib/middleman [INFO] finished frobbing sirkibsirkib/middleman [INFO] frobbed toml for sirkibsirkib/middleman written to work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman/Cargo.toml [INFO] started frobbing sirkibsirkib/middleman [INFO] finished frobbing sirkibsirkib/middleman [INFO] frobbed toml for sirkibsirkib/middleman written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman/Cargo.toml [INFO] crate sirkibsirkib/middleman already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml"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 sirkibsirkib/middleman against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 6d876d953b9a0bb49c2a4021df57cf382db30d116f0e7b88b317e12ea712c6ac [INFO] running `"docker" "start" "-a" "6d876d953b9a0bb49c2a4021df57cf382db30d116f0e7b88b317e12ea712c6ac"` [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling middleman v0.3.1 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/structs.rs:313:18 [INFO] [stderr] | [INFO] [stderr] 313 | let mut vec = self.buf.drain(0..buf_end) [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.68s [INFO] running `"docker" "inspect" "6d876d953b9a0bb49c2a4021df57cf382db30d116f0e7b88b317e12ea712c6ac"` [INFO] running `"docker" "rm" "-f" "6d876d953b9a0bb49c2a4021df57cf382db30d116f0e7b88b317e12ea712c6ac"` [INFO] [stdout] 6d876d953b9a0bb49c2a4021df57cf382db30d116f0e7b88b317e12ea712c6ac [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 5a0f1a6939fd2b5a20a6cc09f5614c30944e6e1ffaa4bd477bb09f1ff20c93ba [INFO] running `"docker" "start" "-a" "5a0f1a6939fd2b5a20a6cc09f5614c30944e6e1ffaa4bd477bb09f1ff20c93ba"` [INFO] [stderr] Compiling middleman v0.3.1 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/structs.rs:313:18 [INFO] [stderr] | [INFO] [stderr] 313 | let mut vec = self.buf.drain(0..buf_end) [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:532:41 [INFO] [stderr] | [INFO] [stderr] 532 | let mut stream = streams.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.35s [INFO] running `"docker" "inspect" "5a0f1a6939fd2b5a20a6cc09f5614c30944e6e1ffaa4bd477bb09f1ff20c93ba"` [INFO] running `"docker" "rm" "-f" "5a0f1a6939fd2b5a20a6cc09f5614c30944e6e1ffaa4bd477bb09f1ff20c93ba"` [INFO] [stdout] 5a0f1a6939fd2b5a20a6cc09f5614c30944e6e1ffaa4bd477bb09f1ff20c93ba [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] a3a68f2985d83e146adfbb37c8b5eedff1a22082dbd2f82333d4e1fdf278b3ef [INFO] running `"docker" "start" "-a" "a3a68f2985d83e146adfbb37c8b5eedff1a22082dbd2f82333d4e1fdf278b3ef"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/middleman-09acb507b8c7fce9 [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::not_ready ... FAILED [INFO] [stdout] test tests::echo_client_std ... ok [INFO] [stdout] test tests::count_together ... ok [INFO] [stdout] test tests::is_ready ... ok [INFO] [stdout] test tests::recv_blocking ... ok [INFO] [stdout] test tests::simple_packed ... ok [INFO] [stdout] test tests::single_send_recv ... ok [INFO] [stdout] test tests::safe_echo_client ... FAILED [INFO] [stdout] test tests::packed_best_case ... ok [INFO] [stderr] thread '' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 104, kind: ConnectionReset, message: "Connection reset by peer" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d42090c553 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55d42090799b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55d42090adb6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55d42090ab49 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55d42090b4bf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55d42090b041 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55d42090af25 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55d42092108c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] thread '' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 104, kind: ConnectionReset, message: "Connection reset by peer" }', src/libcore/result.rs:999:5 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55d4208e7d27 - core::result::unwrap_failed::h13c75aac053284e6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55d42082d6ef - core::result::Result::unwrap::h25cd89d25fb347bb [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x55d420857298 - middleman::tests::echo_forever_threaded::{{closure}}::{{closure}}::h788b6244a68b48cc [INFO] [stderr] at src/tests.rs:455 [INFO] [stderr] 11: 0x55d42082063b - middleman::structs::Middleman::recv_all_packed_map::hcb82d7716e9edf26 [INFO] [stderr] at src/structs.rs:298 [INFO] [stderr] 12: 0x55d420857500 - middleman::tests::echo_forever_threaded::{{closure}}::h05400ca8055667fd [INFO] [stderr] at src/tests.rs:454 [INFO] [stderr] 13: 0x55d420821c51 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6798d170b6eb3f6d [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stderr] 14: 0x55d420895e4f - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hc19a045373ffee1c [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stderr] 15: 0x55d420887ccf - as core::ops::function::FnOnce<()>>::call_once::h02483e628cb5f25b [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stderr] 16: 0x55d420836aa4 - std::panicking::try::do_call::h6a4be4f492f96704 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stderr] 17: 0x55d42090eb29 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 18: 0x55d420836378 - std::panicking::try::h4108a6681f22d422 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stderr] 19: 0x55d420888f31 - std::panic::catch_unwind::h3bf41e9059b69eb5 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55d420895bd9 - std::thread::Builder::spawn_unchecked::{{closure}}::hfa49ea73ac3b3753 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stderr] 21: 0x55d4208892c2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8d24b2d4715b6200 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stderr] 22: 0x55d4208ff1ce - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] 23: 0x55d42090e17f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 24: 0x7f0b3d4214a3 - start_thread [INFO] [stderr] 25: 0x7f0b3cf4cd0e - __clone [INFO] [stderr] 26: 0x0 - [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d42090c553 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55d42090799b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55d42090adb6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55d42090ab49 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55d42090b4bf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55d42090b041 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55d42090af25 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x55d42092108c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x55d4208e7d27 - core::result::unwrap_failed::h13c75aac053284e6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x55d42082d6ef - core::result::Result::unwrap::h25cd89d25fb347bb [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800 [INFO] [stderr] 10: 0x55d420857298 - middleman::tests::echo_forever_threaded::{{closure}}::{{closure}}::h788b6244a68b48cc [INFO] [stderr] at src/tests.rs:455 [INFO] [stderr] 11: 0x55d42082063b - middleman::structs::Middleman::recv_all_packed_map::hcb82d7716e9edf26 [INFO] [stderr] at src/structs.rs:298 [INFO] [stderr] 12: 0x55d420857500 - middleman::tests::echo_forever_threaded::{{closure}}::h05400ca8055667fd [INFO] [stderr] at src/tests.rs:454 [INFO] [stderr] 13: 0x55d420821c51 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6798d170b6eb3f6d [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stderr] 14: 0x55d420895e4f - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hc19a045373ffee1c [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stderr] 15: 0x55d420887ccf - as core::ops::function::FnOnce<()>>::call_once::h02483e628cb5f25b [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stderr] 16: 0x55d420836aa4 - std::panicking::try::do_call::h6a4be4f492f96704 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stderr] 17: 0x55d42090eb29 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 18: 0x55d420836378 - std::panicking::try::h4108a6681f22d422 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stderr] 19: 0x55d420888f31 - std::panic::catch_unwind::h3bf41e9059b69eb5 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55d420895bd9 - std::thread::Builder::spawn_unchecked::{{closure}}::hfa49ea73ac3b3753 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stderr] 21: 0x55d4208892c2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8d24b2d4715b6200 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stderr] 22: 0x55d4208ff1ce - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] 23: 0x55d42090e17f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 24: 0x7f0b3d4214a3 - start_thread [INFO] [stderr] 25: 0x7f0b3cf4cd0e - __clone [INFO] [stderr] 26: 0x0 - [INFO] [stdout] test tests::send_a_lot ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::safe_echo_client stdout ---- [INFO] [stdout] thread 'tests::safe_echo_client' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `None`, [INFO] [stdout] right: `Some(Hello)`', src/tests.rs:164:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55d42090c553 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55d42090799b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55d42090adb6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55d42090aade - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55d42090b4bf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55d42090b041 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55d42090af8e - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x55d42085ba1b - middleman::tests::safe_echo_client::h0e57b24f32d20424 [INFO] [stdout] at src/tests.rs:164 [INFO] [stdout] 8: 0x55d42085b399 - middleman::tests::safe_echo_client::{{closure}}::h0ddca6bf0d579ff5 [INFO] [stdout] at src/tests.rs:132 [INFO] [stdout] 9: 0x55d4208894ed - core::ops::function::FnOnce::call_once::h75e20225ab9ca53d [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 10: 0x55d4208aa75e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 11: 0x55d42090eb29 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 12: 0x55d4208c5057 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 13: 0x55d42089fa74 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 14: 0x55d4208a3b24 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 15: 0x55d42090eb29 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x55d4208a4131 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 17: 0x55d4208ff1ce - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 18: 0x55d42090e17f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 19: 0x7f0b3d4214a3 - start_thread [INFO] [stdout] 20: 0x7f0b3cf4cd0e - __clone [INFO] [stdout] 21: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::not_ready [INFO] [stdout] tests::safe_echo_client [INFO] [stdout] [INFO] [stdout] test result: FAILED. 8 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "a3a68f2985d83e146adfbb37c8b5eedff1a22082dbd2f82333d4e1fdf278b3ef"` [INFO] running `"docker" "rm" "-f" "a3a68f2985d83e146adfbb37c8b5eedff1a22082dbd2f82333d4e1fdf278b3ef"` [INFO] [stdout] a3a68f2985d83e146adfbb37c8b5eedff1a22082dbd2f82333d4e1fdf278b3ef