[INFO] fetching crate ipipe 0.11.7...
[INFO] testing ipipe-0.11.7 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate ipipe 0.11.7 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ipipe 0.11.7
[INFO] finished tweaking crates.io crate ipipe 0.11.7
[INFO] tweaked toml for crates.io crate ipipe 0.11.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ipipe 0.11.7 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding flurry v0.3.1 (available: v0.5.2)
[INFO] [stderr]       Adding nix v0.24.3 (available: v0.30.1)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.9.2)
[INFO] [stderr]       Adding windows v0.33.0 (available: v0.61.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77175eb33c06a242e87cd30f37da40aa3582eafc210a851e0d26cd9c5895a3b2
[INFO] running `Command { std: "docker" "start" "-a" "77175eb33c06a242e87cd30f37da40aa3582eafc210a851e0d26cd9c5895a3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77175eb33c06a242e87cd30f37da40aa3582eafc210a851e0d26cd9c5895a3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77175eb33c06a242e87cd30f37da40aa3582eafc210a851e0d26cd9c5895a3b2", kill_on_drop: false }`
[INFO] [stdout] 77175eb33c06a242e87cd30f37da40aa3582eafc210a851e0d26cd9c5895a3b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5a3e8b73cd9027799e284177689e52f11ceb448fa48febaa1fbc383eeb226b
[INFO] running `Command { std: "docker" "start" "-a" "8a5a3e8b73cd9027799e284177689e52f11ceb448fa48febaa1fbc383eeb226b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling flurry v0.3.1
[INFO] [stderr]    Compiling ipipe v0.11.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "8a5a3e8b73cd9027799e284177689e52f11ceb448fa48febaa1fbc383eeb226b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5a3e8b73cd9027799e284177689e52f11ceb448fa48febaa1fbc383eeb226b", kill_on_drop: false }`
[INFO] [stdout] 8a5a3e8b73cd9027799e284177689e52f11ceb448fa48febaa1fbc383eeb226b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd209349f59fd7f07338b4ff43c2a9c8a2660e15cc55800d6764c70f12b190a
[INFO] running `Command { std: "docker" "start" "-a" "3cd209349f59fd7f07338b4ff43c2a9c8a2660e15cc55800d6764c70f12b190a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipipe v0.11.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "3cd209349f59fd7f07338b4ff43c2a9c8a2660e15cc55800d6764c70f12b190a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd209349f59fd7f07338b4ff43c2a9c8a2660e15cc55800d6764c70f12b190a", kill_on_drop: false }`
[INFO] [stdout] 3cd209349f59fd7f07338b4ff43c2a9c8a2660e15cc55800d6764c70f12b190a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c9e820aa7cffb4a321cd42927d388ce6f55f29162b6310f7e99eb2f43bd1741
[INFO] running `Command { std: "docker" "start" "-a" "4c9e820aa7cffb4a321cd42927d388ce6f55f29162b6310f7e99eb2f43bd1741", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ipipe-ab02333a74c22818)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_name ... ok
[INFO] [stdout] test tests::test_write_first ... ok
[INFO] [stdout] test tests::test_pipe_2 ... ok
[INFO] [stdout] test tests::test_pipe ... ok
[INFO] [stdout] test tests::test_static ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/duplex.rs (/opt/rustwide/target/debug/deps/duplex-0eaa339297299eee)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test duplex_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- duplex_test stdout ----
[INFO] [stdout] test1
[INFO] [stdout] test2
[INFO] [stdout] test3
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (38) panicked at tests/duplex.rs:12:44:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Custom { kind: Other, error: Native("", 9, "Bad file number") }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f92202924a2 - std::backtrace_rs::backtrace::libunwind::trace::hf3086ff3c8ddfec7
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f92202924a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h6caf11542219ebc3
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f92202924a2 - std::sys::backtrace::_print_fmt::hfd9f352edf0ef63b
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f92202924a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h746cb25d4c2f20bf
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f92202a270f - core::fmt::rt::Argument::fmt::h7e560d1a4260d0bd
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5f92202a270f - core::fmt::write::h51c104753c8435b2
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5f922025f973 - std::io::default_write_fmt::h7681766be9629d2f
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f922025f973 - std::io::Write::write_fmt::h41771a141bf0adb2
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5f922026bb82 - std::sys::backtrace::BacktraceLock::print::heee726a1c5b4a2c3
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5f92202705ef - std::panicking::default_hook::{{closure}}::h938489fbb79d30ee
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5f9220270481 - std::panicking::default_hook::hf7e155db98319366
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5f92202238fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8041688d09537997
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5f92202238fe - test::test_main_with_exit_callback::{{closure}}::hc8a7ea1f38432726
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9220270c8e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h688488cd0fff9b17
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5f9220270c8e - std::panicking::panic_with_hook::h78bb7329978b77c8
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5f9220270a5a - std::panicking::panic_handler::{{closure}}::h306ab6080b8e304c
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5f922026bcb9 - std::sys::backtrace::__rust_end_short_backtrace::hab10906eec9c5584
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5f9220253e3d - __rustc[31cdaa5515be9d95]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5f92202aa350 - core::panicking::panic_fmt::h8cb2938d8e2b0e7b
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5f92202a9a76 - core::result::unwrap_failed::h781900d7f82db671
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x5f9220200f5f - core::result::Result<T,E>::unwrap::h1bc17936cc0a5792
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x5f9220200f5f - duplex::print_line::h00a94f0541a7b34f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/duplex.rs:12:44
[INFO] [stdout]   22:     0x5f9220201d73 - duplex::client_server2::h31838525accb13e5
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/duplex.rs:31:5
[INFO] [stdout]   23:     0x5f92202018d0 - duplex::duplex_test::{{closure}}::h598d6168679a36c3
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/duplex.rs:46:31
[INFO] [stdout]   24:     0x5f92201fb0c6 - std::sys::backtrace::__rust_begin_short_backtrace::h369f352d9083dfdd
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   25:     0x5f92201fdd32 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h75d44c038c8334fd
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   26:     0x5f92201f9f70 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7d731c993d8bc003
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5f92201fe0a5 - std::panicking::catch_unwind::do_call::h7ff3cb0eb28d5a2c
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5f9220202aeb - __rust_try
[INFO] [stdout]   29:     0x5f92201fd5ee - std::panicking::catch_unwind::h7b2a3046a372988b
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5f92201fd5ee - std::panic::catch_unwind::h1ade13dea8326d6d
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5f92201fd5ee - std::thread::Builder::spawn_unchecked_::{{closure}}::h612f836f0a4326dd
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   32:     0x5f92201fed7e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7575934bee0116b8
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   33:     0x5f9220265e8f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6765fcdde4c5daa4
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   34:     0x5f9220265e8f - std::sys::pal::unix::thread::Thread::new::thread_start::h448c4dadc391362b
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/pal/unix/thread.rs:118:17
[INFO] [stdout]   35:     0x72d9c9134aa4 - <unknown>
[INFO] [stdout]   36:     0x72d9c91c1a34 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'duplex_test' (36) panicked at tests/duplex.rs:48:15:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f92202924a2 - std::backtrace_rs::backtrace::libunwind::trace::hf3086ff3c8ddfec7
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f92202924a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h6caf11542219ebc3
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f92202924a2 - std::sys::backtrace::_print_fmt::hfd9f352edf0ef63b
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f92202924a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h746cb25d4c2f20bf
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f92202a270f - core::fmt::rt::Argument::fmt::h7e560d1a4260d0bd
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5f92202a270f - core::fmt::write::h51c104753c8435b2
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5f922025f973 - std::io::default_write_fmt::h7681766be9629d2f
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f922025f973 - std::io::Write::write_fmt::h41771a141bf0adb2
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5f922026bb82 - std::sys::backtrace::BacktraceLock::print::heee726a1c5b4a2c3
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5f92202705ef - std::panicking::default_hook::{{closure}}::h938489fbb79d30ee
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5f9220270481 - std::panicking::default_hook::hf7e155db98319366
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5f92202238fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8041688d09537997
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5f92202238fe - test::test_main_with_exit_callback::{{closure}}::hc8a7ea1f38432726
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9220270c8e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h688488cd0fff9b17
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5f9220270c8e - std::panicking::panic_with_hook::h78bb7329978b77c8
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5f9220270a5a - std::panicking::panic_handler::{{closure}}::h306ab6080b8e304c
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5f922026bcb9 - std::sys::backtrace::__rust_end_short_backtrace::hab10906eec9c5584
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5f9220253e3d - __rustc[31cdaa5515be9d95]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5f92202aa350 - core::panicking::panic_fmt::h8cb2938d8e2b0e7b
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5f92202a9a76 - core::result::unwrap_failed::h781900d7f82db671
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x5f9220201796 - core::result::Result<T,E>::unwrap::h0d9d21d2e8ae990a
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x5f9220201796 - duplex::duplex_test::h064bb068671fa404
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/duplex.rs:48:15
[INFO] [stdout]   22:     0x5f9220201897 - duplex::duplex_test::{{closure}}::h2abc350a92b7b02b
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/duplex.rs:41:17
[INFO] [stdout]   23:     0x5f92201fee46 - core::ops::function::FnOnce::call_once::hc73c2eec56eedeff
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5f92202236bb - core::ops::function::FnOnce::call_once::ha1081c2f5558e6c0
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5f92202236bb - test::__rust_begin_short_backtrace::h42034e8abb013a4c
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5f92202391c5 - test::run_test_in_process::{{closure}}::hf6d2134f58bf7650
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5f92202391c5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hecbf148a08d929b4
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5f92202391c5 - std::panicking::catch_unwind::do_call::hdd8f84f296c52439
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x5f92202391c5 - std::panicking::catch_unwind::h3fd77bcad74bf69c
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x5f92202391c5 - std::panic::catch_unwind::h512ad17f65705767
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5f92202391c5 - test::run_test_in_process::h2b79c7cc828fafad
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5f92202391c5 - test::run_test::{{closure}}::hc287323e9e7aa380
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5f922020fb94 - test::run_test::{{closure}}::h26852bc3095664f0
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5f922020fb94 - std::sys::backtrace::__rust_begin_short_backtrace::he88c7ba58706034f
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5f92202133ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff63832735ca5300
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5f92202133ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5618784f23b8bacb
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5f92202133ca - std::panicking::catch_unwind::do_call::hd103d0697f7d2f72
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x5f92202133ca - std::panicking::catch_unwind::h947b18413ee60fc2
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x5f92202133ca - std::panic::catch_unwind::h51f47dbca8916fbf
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5f92202133ca - std::thread::Builder::spawn_unchecked_::{{closure}}::h92bd4fc7ba1a8896
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5f92202133ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1edf6ba5edb7a202
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5f9220265e8f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6765fcdde4c5daa4
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5f9220265e8f - std::sys::pal::unix::thread::Thread::new::thread_start::h448c4dadc391362b
[INFO] [stdout]                                at /rustc/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/library/std/src/sys/pal/unix/thread.rs:118:17
[INFO] [stdout]   44:     0x72d9c9134aa4 - <unknown>
[INFO] [stdout]   45:     0x72d9c91c1a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     duplex_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test duplex`
[INFO] running `Command { std: "docker" "inspect" "4c9e820aa7cffb4a321cd42927d388ce6f55f29162b6310f7e99eb2f43bd1741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9e820aa7cffb4a321cd42927d388ce6f55f29162b6310f7e99eb2f43bd1741", kill_on_drop: false }`
[INFO] [stdout] 4c9e820aa7cffb4a321cd42927d388ce6f55f29162b6310f7e99eb2f43bd1741