[INFO] cloning repository https://github.com/karheinz/lean
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/karheinz/lean" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarheinz%2Flean", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarheinz%2Flean'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b718022bb2097be1cadd02d1a01421051e11a2e5
[INFO] testing karheinz/lean against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarheinz%2Flean" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karheinz/lean on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/karheinz/lean
[INFO] finished tweaking git repo https://github.com/karheinz/lean
[INFO] tweaked toml for git repo https://github.com/karheinz/lean written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/karheinz/lean already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/karheinz/serde-yaml/`
[INFO] [stderr]     Updating git repository `https://github.com/karheinz/yaml-rust/`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 206d9f7b71dade25fa73ac9122ce719250bbf0e2aa02c07133493d9f81ff18c6
[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" "206d9f7b71dade25fa73ac9122ce719250bbf0e2aa02c07133493d9f81ff18c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "206d9f7b71dade25fa73ac9122ce719250bbf0e2aa02c07133493d9f81ff18c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206d9f7b71dade25fa73ac9122ce719250bbf0e2aa02c07133493d9f81ff18c6", kill_on_drop: false }`
[INFO] [stdout] 206d9f7b71dade25fa73ac9122ce719250bbf0e2aa02c07133493d9f81ff18c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 817c1f3fed376c50d509db8506477816b409e0b482d9ec35da4a155ec7b417c5
[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" "817c1f3fed376c50d509db8506477816b409e0b482d9ec35da4a155ec7b417c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-rust v0.4.3 (https://github.com/karheinz/yaml-rust/?branch=feature/multiline#6f4119b4)
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling serde_yaml v0.8.11 (https://github.com/karheinz/serde-yaml/?branch=feature/multiline#5ac1763a)
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling lean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.22s
[INFO] running `Command { std: "docker" "inspect" "817c1f3fed376c50d509db8506477816b409e0b482d9ec35da4a155ec7b417c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817c1f3fed376c50d509db8506477816b409e0b482d9ec35da4a155ec7b417c5", kill_on_drop: false }`
[INFO] [stdout] 817c1f3fed376c50d509db8506477816b409e0b482d9ec35da4a155ec7b417c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4e417369b55984f63a82752249ec528ae71c082dad0c7a8cbe72c4314ed51e0
[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" "b4e417369b55984f63a82752249ec528ae71c082dad0c7a8cbe72c4314ed51e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling lean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "b4e417369b55984f63a82752249ec528ae71c082dad0c7a8cbe72c4314ed51e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e417369b55984f63a82752249ec528ae71c082dad0c7a8cbe72c4314ed51e0", kill_on_drop: false }`
[INFO] [stdout] b4e417369b55984f63a82752249ec528ae71c082dad0c7a8cbe72c4314ed51e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 1656d369a1886cfc28f51e73375745076dd3df273a75f5dd9aebe3215fe653b5
[INFO] running `Command { std: "docker" "start" "-a" "1656d369a1886cfc28f51e73375745076dd3df273a75f5dd9aebe3215fe653b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lean-13cb735e6e355739
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test core::tests::deserialize_a_task_with_multiline_text ... ok
[INFO] [stdout] test cli::tests::create_list_tasks_command ... ok
[INFO] [stdout] test core::tests::create_task ... ok
[INFO] [stdout] test cli::tests::create_list_tasks_command_with_too_many_args ... ok
[INFO] [stdout] test core::tests::deserialize_a_task ... ok
[INFO] [stdout] test cli::tests::create_list_tasks_command_with_limit ... ok
[INFO] [stdout] test cli::tests::create_list_tasks_command_with_dir ... ok
[INFO] [stdout] test cli::tests::create_add_task_command ... ok
[INFO] [stdout] test core::tests::serialize_a_task_with_multiline_text ... FAILED
[INFO] [stdout] test core::tests::serialize_a_task ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- core::tests::serialize_a_task_with_multiline_text stdout ----
[INFO] [stdout] thread 'core::tests::serialize_a_task_with_multiline_text' panicked at 'attempted to leave type `linked_hash_map::Node<yaml::Yaml, yaml::Yaml>` uninitialized, which is invalid', /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/mem/mod.rs:659:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556b9c0ec9f7 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x556b9c0ec9f7 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556b9c0ec9f7 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556b9c0ec9f7 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc33f3ac4cc9c4196
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x556b9c10ef5c - core::fmt::write::hfdcdeb08fb2b3afa
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x556b9c0e8d22 - std::io::Write::write_fmt::h28c53dc51251a293
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x556b9c0eeca5 - std::sys_common::backtrace::_print::hf179508b01f66878
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x556b9c0eeca5 - std::sys_common::backtrace::print::ha97d11adb39266a6
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x556b9c0eeca5 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x556b9c0ee832 - std::panicking::default_hook::hbc0ee792993c2ef2
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x556b9c0ef441 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x556b9c0eef57 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:495:13
[INFO] [stdout]   12:     0x556b9c0ecebc - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x556b9c0eeee9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x556b9c10d911 - core::panicking::panic_fmt::hf6d8a92b065b8f97
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x556b9c10d85d - core::panicking::panic::h95b17729da7179c5
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:50:5
[INFO] [stdout]   16:     0x556b9be60193 - core::mem::uninitialized::hccbcff4bf966bfcf
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/mem/mod.rs:659:9
[INFO] [stdout]   17:     0x556b9be60193 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::h584da6b008729a4e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.2/src/lib.rs:174:52
[INFO] [stdout]   18:     0x556b9be603e7 - linked_hash_map::LinkedHashMap<K,V,S>::insert::h4eaed09f77921d46
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.2/src/lib.rs:304:9
[INFO] [stdout]   19:     0x556b9bdd4509 - <serde_yaml::ser::SerializeStruct as serde::ser::SerializeStruct>::serialize_field::h9813e195060cc012
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:359:9
[INFO] [stdout]   20:     0x556b9bdd0056 - lean::core::_IMPL_SERIALIZE_FOR_Task::<impl serde::ser::Serialize for lean::core::Task>::serialize::h00287fa0c1f80ac3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core.rs:36:17
[INFO] [stdout]   21:     0x556b9bdc70f8 - serde::ser::impls::<impl serde::ser::Serialize for &T>::serialize::hbf949ff6ffbdbaf4
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.101/src/ser/impls.rs:390:17
[INFO] [stdout]   22:     0x556b9bdd153a - serde_yaml::ser::to_yaml::he60d61bae95d2b26
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:450:5
[INFO] [stdout]   23:     0x556b9bdd17bc - serde_yaml::ser::to_writer::h5262960b90e259dc
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:394:15
[INFO] [stdout]   24:     0x556b9bdd1023 - serde_yaml::ser::to_vec::he70f747604af8be1
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:413:5
[INFO] [stdout]   25:     0x556b9bdd15cc - serde_yaml::ser::to_string::h1e913bbbd4e76bd7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:425:26
[INFO] [stdout]   26:     0x556b9be12edf - lean::core::tests::serialize_a_task_with_multiline_text::h901f564b576b6484
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core.rs:194:15
[INFO] [stdout]   27:     0x556b9be12bd3 - lean::core::tests::serialize_a_task_with_multiline_text::{{closure}}::h27045360d056c6f9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core.rs:174:5
[INFO] [stdout]   28:     0x556b9bdfffbe - core::ops::function::FnOnce::call_once::h9774d66517156fee
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   29:     0x556b9bea0b83 - core::ops::function::FnOnce::call_once::ha61d5393ae51ae22
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   30:     0x556b9bea0b83 - test::__rust_begin_short_backtrace::h4a8691b5281c1f3b
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:516:5
[INFO] [stdout]   31:     0x556b9be9f476 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd25ba61494055ad3
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   32:     0x556b9be9f476 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h052fde7b846767ba
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x556b9be9f476 - std::panicking::try::do_call::h04571a1da6838ba1
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x556b9be9f476 - std::panicking::try::h758f090614125cbe
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x556b9be9f476 - std::panic::catch_unwind::h0c48513d5a021d3c
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x556b9be9f476 - test::run_test_in_process::hee75babaaac3822f
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:538:18
[INFO] [stdout]   37:     0x556b9be9f476 - test::run_test::run_test_inner::{{closure}}::h2920dea75d7f0c1e
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:449:39
[INFO] [stdout]   38:     0x556b9be77786 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha23dff608830db13
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   39:     0x556b9be7c51d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hacce322dead3a799
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   40:     0x556b9be7c51d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4f0bc9c26ead0a27
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:322:9
[INFO] [stdout]   41:     0x556b9be7c51d - std::panicking::try::do_call::h1b9f282fb0c383b3
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stdout]   42:     0x556b9be7c51d - std::panicking::try::hed1ebed51b133ee4
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stdout]   43:     0x556b9be7c51d - std::panic::catch_unwind::h072a2b19fd39a474
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stdout]   44:     0x556b9be7c51d - std::thread::Builder::spawn_unchecked::{{closure}}::hb02c6b2d3ff18bc2
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   45:     0x556b9be7c51d - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb512c5d27b4adb83
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   46:     0x556b9c0f537a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdbb9ff71143eaad6
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   47:     0x556b9c0f537a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9dbde95cefb8368c
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   48:     0x556b9c0f537a - std::sys::unix::thread::Thread::new::thread_start::hc76032c38affd972
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   49:     0x7f806daf9609 - start_thread
[INFO] [stdout]   50:     0x7f806d8cb293 - clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- core::tests::serialize_a_task stdout ----
[INFO] [stdout] thread 'core::tests::serialize_a_task' panicked at 'attempted to leave type `linked_hash_map::Node<yaml::Yaml, yaml::Yaml>` uninitialized, which is invalid', /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/mem/mod.rs:659:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556b9c0ec9f7 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x556b9c0ec9f7 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556b9c0ec9f7 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556b9c0ec9f7 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc33f3ac4cc9c4196
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x556b9c10ef5c - core::fmt::write::hfdcdeb08fb2b3afa
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x556b9c0e8d22 - std::io::Write::write_fmt::h28c53dc51251a293
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x556b9c0eeca5 - std::sys_common::backtrace::_print::hf179508b01f66878
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x556b9c0eeca5 - std::sys_common::backtrace::print::ha97d11adb39266a6
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x556b9c0eeca5 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x556b9c0ee832 - std::panicking::default_hook::hbc0ee792993c2ef2
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x556b9c0ef441 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x556b9c0eef57 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:495:13
[INFO] [stdout]   12:     0x556b9c0ecebc - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x556b9c0eeee9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x556b9c10d911 - core::panicking::panic_fmt::hf6d8a92b065b8f97
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x556b9c10d85d - core::panicking::panic::h95b17729da7179c5
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:50:5
[INFO] [stdout]   16:     0x556b9be60193 - core::mem::uninitialized::hccbcff4bf966bfcf
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/mem/mod.rs:659:9
[INFO] [stdout]   17:     0x556b9be60193 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::h584da6b008729a4e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.2/src/lib.rs:174:52
[INFO] [stdout]   18:     0x556b9be603e7 - linked_hash_map::LinkedHashMap<K,V,S>::insert::h4eaed09f77921d46
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.2/src/lib.rs:304:9
[INFO] [stdout]   19:     0x556b9bdd4509 - <serde_yaml::ser::SerializeStruct as serde::ser::SerializeStruct>::serialize_field::h9813e195060cc012
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:359:9
[INFO] [stdout]   20:     0x556b9bdd0056 - lean::core::_IMPL_SERIALIZE_FOR_Task::<impl serde::ser::Serialize for lean::core::Task>::serialize::h00287fa0c1f80ac3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core.rs:36:17
[INFO] [stdout]   21:     0x556b9bdc70f8 - serde::ser::impls::<impl serde::ser::Serialize for &T>::serialize::hbf949ff6ffbdbaf4
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.101/src/ser/impls.rs:390:17
[INFO] [stdout]   22:     0x556b9bdd153a - serde_yaml::ser::to_yaml::he60d61bae95d2b26
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:450:5
[INFO] [stdout]   23:     0x556b9bdd17bc - serde_yaml::ser::to_writer::h5262960b90e259dc
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:394:15
[INFO] [stdout]   24:     0x556b9bdd1023 - serde_yaml::ser::to_vec::he70f747604af8be1
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:413:5
[INFO] [stdout]   25:     0x556b9bdd15cc - serde_yaml::ser::to_string::h1e913bbbd4e76bd7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/serde-yaml-6ca7f1d0854d2fc9/5ac1763/src/ser.rs:425:26
[INFO] [stdout]   26:     0x556b9be12348 - lean::core::tests::serialize_a_task::h916afcd4ab3b879b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core.rs:137:15
[INFO] [stdout]   27:     0x556b9be12033 - lean::core::tests::serialize_a_task::{{closure}}::h1919266de95bdce6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core.rs:117:5
[INFO] [stdout]   28:     0x556b9bdffe1e - core::ops::function::FnOnce::call_once::h82ee4c04c0e09acd
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   29:     0x556b9bea0b83 - core::ops::function::FnOnce::call_once::ha61d5393ae51ae22
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   30:     0x556b9bea0b83 - test::__rust_begin_short_backtrace::h4a8691b5281c1f3b
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:516:5
[INFO] [stdout]   31:     0x556b9be9f476 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd25ba61494055ad3
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   32:     0x556b9be9f476 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h052fde7b846767ba
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x556b9be9f476 - std::panicking::try::do_call::h04571a1da6838ba1
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stdout]   34:     0x556b9be9f476 - std::panicking::try::h758f090614125cbe
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stdout]   35:     0x556b9be9f476 - std::panic::catch_unwind::h0c48513d5a021d3c
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x556b9be9f476 - test::run_test_in_process::hee75babaaac3822f
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:538:18
[INFO] [stdout]   37:     0x556b9be9f476 - test::run_test::run_test_inner::{{closure}}::h2920dea75d7f0c1e
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/test/src/lib.rs:449:39
[INFO] [stdout]   38:     0x556b9be77786 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha23dff608830db13
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   39:     0x556b9be7c51d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hacce322dead3a799
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   40:     0x556b9be7c51d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4f0bc9c26ead0a27
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:322:9
[INFO] [stdout]   41:     0x556b9be7c51d - std::panicking::try::do_call::h1b9f282fb0c383b3
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stdout]   42:     0x556b9be7c51d - std::panicking::try::hed1ebed51b133ee4
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stdout]   43:     0x556b9be7c51d - std::panic::catch_unwind::h072a2b19fd39a474
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stdout]   44:     0x556b9be7c51d - std::thread::Builder::spawn_unchecked::{{closure}}::hb02c6b2d3ff18bc2
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   45:     0x556b9be7c51d - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb512c5d27b4adb83
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   46:     0x556b9c0f537a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdbb9ff71143eaad6
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   47:     0x556b9c0f537a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9dbde95cefb8368c
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/alloc/src/boxed.rs:1328:9
[INFO] [stdout]   48:     0x556b9c0f537a - std::sys::unix::thread::Thread::new::thread_start::hc76032c38affd972
[INFO] [stdout]                                at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   49:     0x7f806daf9609 - start_thread
[INFO] [stdout]   50:     0x7f806d8cb293 - clone
[INFO] [stdout]   51:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     core::tests::serialize_a_task
[INFO] [stdout]     core::tests::serialize_a_task_with_multiline_text
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "1656d369a1886cfc28f51e73375745076dd3df273a75f5dd9aebe3215fe653b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1656d369a1886cfc28f51e73375745076dd3df273a75f5dd9aebe3215fe653b5", kill_on_drop: false }`
[INFO] [stdout] 1656d369a1886cfc28f51e73375745076dd3df273a75f5dd9aebe3215fe653b5