[INFO] fetching crate thread_io 0.3.0...
[INFO] testing thread_io-0.3.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate thread_io 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate thread_io 0.3.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thread_io 0.3.0
[INFO] finished tweaking crates.io crate thread_io 0.3.0
[INFO] tweaked toml for crates.io crate thread_io 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3566ee5a05d2a4d7fe91f992155022ef0f7bd8139561b2ed06b95596b1a41b59
[INFO] running `Command { std: "docker" "start" "-a" "3566ee5a05d2a4d7fe91f992155022ef0f7bd8139561b2ed06b95596b1a41b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3566ee5a05d2a4d7fe91f992155022ef0f7bd8139561b2ed06b95596b1a41b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3566ee5a05d2a4d7fe91f992155022ef0f7bd8139561b2ed06b95596b1a41b59", kill_on_drop: false }`
[INFO] [stdout] 3566ee5a05d2a4d7fe91f992155022ef0f7bd8139561b2ed06b95596b1a41b59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1d934c40b063290f090bac3ee8d2ca60431fd5d4981302650582187603a2304
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e1d934c40b063290f090bac3ee8d2ca60431fd5d4981302650582187603a2304", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling thread_io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "e1d934c40b063290f090bac3ee8d2ca60431fd5d4981302650582187603a2304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d934c40b063290f090bac3ee8d2ca60431fd5d4981302650582187603a2304", kill_on_drop: false }`
[INFO] [stdout] e1d934c40b063290f090bac3ee8d2ca60431fd5d4981302650582187603a2304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a1c4a83f4a18fef17988a1430a35c1eb84e571303c1fb269248ac1526c00aa7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a1c4a83f4a18fef17988a1430a35c1eb84e571303c1fb269248ac1526c00aa7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling thread_io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "3a1c4a83f4a18fef17988a1430a35c1eb84e571303c1fb269248ac1526c00aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1c4a83f4a18fef17988a1430a35c1eb84e571303c1fb269248ac1526c00aa7", kill_on_drop: false }`
[INFO] [stdout] 3a1c4a83f4a18fef17988a1430a35c1eb84e571303c1fb269248ac1526c00aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73002488a618a35f8a23a94e901ef649e63c68b034adee47ab70a2896f90f898
[INFO] running `Command { std: "docker" "start" "-a" "73002488a618a35f8a23a94e901ef649e63c68b034adee47ab70a2896f90f898", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thread_io-1ea3be38822b416b
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/read-0c5bb701ea70a24c
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test read_interrupted ... ok
[INFO] [stdout] test read_fail_processing ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'read err', tests/read.rs:37:17
[INFO] [stderr] thread '<unnamed>' panicked at 'init panic', tests/read.rs:210:47
[INFO] [stdout] test reader_init_fail ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test read_panic_processing ... ok
[INFO] [stderr]    0:     0x564755a07110 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x564755a07110 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564755a07110 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x564755a07110 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x564755a2956c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x564755a03682 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x564755a0963d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x564755a0963d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x564755a0963d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x564755a092e8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x564755a09d21 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x5647559ea6bc - std::panicking::begin_panic::{{closure}}::h50909154ad1e342b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]   12:     0x5647559eb579 - std::sys_common::backtrace::__rust_end_short_backtrace::h0455a73fd6e96e07
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5647559ea5e7 - std::panicking::begin_panic::h2bf0670a15e02542
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]   14:     0x564755986a87 - <read::Reader as std::io::Read>::read::h466df93036b4d53f
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/read.rs:37
[INFO] [stderr]   15:     0x564755986883 - std::io::impls::<impl std::io::Read for &mut R>::read::h88f04fa88e5d4667
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:18
[INFO] [stderr]   16:     0x564755986853 - std::io::impls::<impl std::io::Read for &mut R>::read::h8627e2fa3ddd2a0b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:18
[INFO] [stderr]   17:     0x56475597d07f - thread_io::read::Buffer::refill::hce0a67c4d5fdab71
[INFO] [stderr]                                at /opt/rustwide/workdir/src/read.rs:61
[INFO] [stderr]   18:     0x56475597c5d5 - thread_io::read::BackgroundReader::serve::hc32f05c56d07ff5d
[INFO] [stderr]                                at /opt/rustwide/workdir/src/read.rs:174
[INFO] [stderr]   19:     0x56475597ba31 - thread_io::read::reader_init::{{closure}}::{{closure}}::h62896e6e810b2f35
[INFO] [stderr]                                at /opt/rustwide/workdir/src/read.rs:266
[INFO] [stderr]   20:     0x56475595174d - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h51b9e17e127e123c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:415
[INFO] [stderr]   21:     0x564755951a77 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h6d751964d1bf9a12
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:423
[INFO] [stderr]   22:     0x56475598db36 - <alloc::boxed::Box<F> as core::ops::function::FnMut<A>>::call_mut::h2abb758e3e00ecec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1049
[INFO] [stderr]   23:     0x564755951645 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h49c2293e4ebfb2c0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:431
[INFO] [stderr]   24:     0x56475596bb23 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0fa47c7a26b62d88
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   25:     0x5647559638f3 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hedacf0b274e2f5ea
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   26:     0x56475596ada3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h12703bd5f573ae93
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   27:     0x564755971cb9 - std::panicking::try::do_call::h89331068ef2422a1
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   28:     0x56475597311d - __rust_try
[INFO] [stderr]   29:     0x5647559712e0 - std::panicking::try::hcaa59b5b558807d6
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   30:     0x56475596d743 - std::panic::catch_unwind::he0838068aefe556c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   31:     0x56475596364c - std::thread::Builder::spawn_unchecked::{{closure}}::hcfa64011c32e6a64
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   32:     0x56475598375e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c07ffbf1162f01
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   33:     0x564755a0fe3a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   34:     0x564755a0fe3a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   35:     0x564755a0fe3a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   36:     0x7fd772b1d609 - start_thread
[INFO] [stderr]   37:     0x7fd772da8103 - clone
[INFO] [stderr]   38:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564755a07110 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x564755a07110 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564755a07110 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x564755a07110 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x564755a2956c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x564755a03682 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x564755a0963d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x564755a0963d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x564755a0963d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x564755a092e8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x564755a09d21 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x5647559ea6bc - std::panicking::begin_panic::{{closure}}::h50909154ad1e342b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]   12:     0x5647559eb579 - std::sys_common::backtrace::__rust_end_short_backtrace::h0455a73fd6e96e07
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5647559ea5e7 - std::panicking::begin_panic::h2bf0670a15e02542
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]   14:     0x564755989fbd - read::reader_init_panic::{{closure}}::h6f7af94a0b674c23
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/read.rs:210
[INFO] [stderr]   15:     0x56475597b566 - thread_io::read::reader_init::{{closure}}::{{closure}}::h2cb72e66685fb0df
[INFO] [stderr]                                at /opt/rustwide/workdir/src/read.rs:265
[INFO] [stderr]   16:     0x564755951ad3 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h8aaef8016dbae5dd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:415
[INFO] [stderr]   17:     0x564755952837 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::hfd97fddb52e25416
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:423
[INFO] [stderr]   18:     0x56475598db36 - <alloc::boxed::Box<F> as core::ops::function::FnMut<A>>::call_mut::h2abb758e3e00ecec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1049
[INFO] [stderr]   19:     0x5647559519f5 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h64a3108b8f43e04e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:431
[INFO] [stderr]   20:     0x56475596bba3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h318d9ac2cb0eb6f2
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   21:     0x5647559638d3 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h937f4781b1359f14
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   22:     0x56475596afe3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8433c75c8d3aaf84
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   23:     0x564755972059 - std::panicking::try::do_call::hd613ba6d122373db
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   24:     0x56475597311d - __rust_try
[INFO] [stderr]   25:     0x564755971200 - std::panicking::try::hc81f26466e1eb48a
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   26:     0x56475596d3f3 - std::panic::catch_unwind::h22ce34207318e284
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   27:     0x564755962d4c - std::thread::Builder::spawn_unchecked::{{closure}}::h7ea94088e045fd20
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   28:     0x56475598373e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h04a1bd079ef6ae55
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   29:     0x564755a0fe3a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   30:     0x564755a0fe3a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   31:     0x564755a0fe3a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   32:     0x7fd772b1d609 - start_thread
[INFO] [stderr]   33:     0x7fd772da8103 - clone
[INFO] [stderr]   34:                0x0 - <unknown>
[INFO] [stdout] test reader_init_panic ... ok
[INFO] [stdout] test read_panic ... ok
[INFO] [stdout] test read_fail ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/write-884e16360cc1c4f6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test write_source_fail ... ok
[INFO] [stdout] test writer_init_fail ... ok
[INFO] [stdout] test writer_flush ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'init panic', tests/write.rs:121:12
[INFO] [stdout] test write_source_panic ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x561368f08460 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x561368f08460 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x561368f08460 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x561368f08460 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x561368f2a8bc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x561368f049d2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x561368f0a98d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x561368f0a98d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x561368f0a98d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x561368f0a638 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x561368f0b071 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x561368eeba0c - std::panicking::begin_panic::{{closure}}::h50909154ad1e342b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]   12:     0x561368eec8c9 - std::sys_common::backtrace::__rust_end_short_backtrace::h0455a73fd6e96e07
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x561368eeb937 - std::panicking::begin_panic::h2bf0670a15e02542
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]   14:     0x561368e5db98 - write::writer_init_panic::{{closure}}::h0e30b0c1a20369f6
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/write.rs:121
[INFO] [stderr]   15:     0x561368e4de36 - thread_io::write::writer_init_finish::{{closure}}::{{closure}}::hffc434d829882544
[INFO] [stderr]                                at /opt/rustwide/workdir/src/write.rs:356
[INFO] [stderr]   16:     0x561368e54b38 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h39e5579f6277e1a8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:415
[INFO] [stderr]   17:     0x561368e55347 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h89b63d6498adba02
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:423
[INFO] [stderr]   18:     0x561368e613e6 - <alloc::boxed::Box<F> as core::ops::function::FnMut<A>>::call_mut::h87fd7cfde0d501cf
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1049
[INFO] [stderr]   19:     0x561368e551c5 - crossbeam_utils::thread::ScopedThreadBuilder::spawn::{{closure}}::h667b95705b5ae195
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:431
[INFO] [stderr]   20:     0x561368e8f1c3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h86f8f96b34bba86f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout] test writer_init_panic ... ok
[INFO] [stderr]   21:     0x561368e8acf3 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb45df81aac552380
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   22:     0x561368e8b893 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfae93c63803b83fa
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   23:     0x561368e76559 - std::panicking::try::do_call::h98eeacc2a0f3d0d4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   24:     0x561368e77dbd - __rust_try
[INFO] [stderr]   25:     0x561368e740c0 - std::panicking::try::h431115058387c058
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   26:     0x561368e8bcb3 - std::panic::catch_unwind::h11a06eb76a606e03
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   27:     0x561368e8984c - std::thread::Builder::spawn_unchecked::{{closure}}::h63a8810555206d20
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   28:     0x561368e7b19e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2e4cbcd7797b91dc
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   29:     0x561368f1118a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   30:     0x561368f1118a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   31:     0x561368f1118a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   32:     0x7f72433a7609 - start_thread
[INFO] [stderr]   33:     0x7f7243632103 - clone
[INFO] [stderr]   34:                0x0 - <unknown>
[INFO] [stdout] test write_thread ... ok
[INFO] [stdout] test write_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thread_io
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/read.rs - read::reader_init (line 228) ... ok
[INFO] [stdout] test src/read.rs - read::reader (line 200) ... ok
[INFO] [stdout] test src/write.rs - write::writer (line 226) ... ok
[INFO] [stdout] test src/write.rs - write::writer_init (line 254) ... ok
[INFO] [stdout] test src/write.rs - write::writer_finish (line 291) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73002488a618a35f8a23a94e901ef649e63c68b034adee47ab70a2896f90f898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73002488a618a35f8a23a94e901ef649e63c68b034adee47ab70a2896f90f898", kill_on_drop: false }`
[INFO] [stdout] 73002488a618a35f8a23a94e901ef649e63c68b034adee47ab70a2896f90f898
