[INFO] updating cached repository https://github.com/ToolsForHumans/shyaml
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4cd573d8fe94f47c89132f42c224b73b4875bf2b
[INFO] testing ToolsForHumans/shyaml against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToolsForHumans%2Fshyaml" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ToolsForHumans/shyaml on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ToolsForHumans/shyaml
[INFO] finished tweaking git repo https://github.com/ToolsForHumans/shyaml
[INFO] tweaked toml for git repo https://github.com/ToolsForHumans/shyaml written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ToolsForHumans/shyaml already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51f854a74b615e6932629f968a880a7856db1880c34d3e64165b5a4c5ea15caa
[INFO] running `"docker" "start" "-a" "51f854a74b615e6932629f968a880a7856db1880c34d3e64165b5a4c5ea15caa"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling serde_yaml v0.8.7
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling shyaml v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "51f854a74b615e6932629f968a880a7856db1880c34d3e64165b5a4c5ea15caa"`
[INFO] running `"docker" "rm" "-f" "51f854a74b615e6932629f968a880a7856db1880c34d3e64165b5a4c5ea15caa"`
[INFO] [stdout] 51f854a74b615e6932629f968a880a7856db1880c34d3e64165b5a4c5ea15caa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61fab0e6204c9e84ed618642972322913b7684b615804a82a65131cd23049863
[INFO] running `"docker" "start" "-a" "61fab0e6204c9e84ed618642972322913b7684b615804a82a65131cd23049863"`
[INFO] [stderr]    Compiling shyaml v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "61fab0e6204c9e84ed618642972322913b7684b615804a82a65131cd23049863"`
[INFO] running `"docker" "rm" "-f" "61fab0e6204c9e84ed618642972322913b7684b615804a82a65131cd23049863"`
[INFO] [stdout] 61fab0e6204c9e84ed618642972322913b7684b615804a82a65131cd23049863
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] fca1bbce6da726cd37b2cc80e721cc59f593d665783e188d94608cb8e4c23e4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fca1bbce6da726cd37b2cc80e721cc59f593d665783e188d94608cb8e4c23e4d"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shyaml-38c00c9ed2e132be
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test t_node_to_writer_pretty ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- t_node_to_writer_pretty stdout ----
[INFO] [stdout] thread 't_node_to_writer_pretty' panicked at 'attempted to leave type `linked_hash_map::Node<value::Value, value::Value>` uninitialized, which is invalid', /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560bdbe34004 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x560bdbe34004 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x560bdbe34004 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x560bdbe34004 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7729313ad2d729c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x560bdbe5e5ac - core::fmt::write::hb0049f6c12bdaffc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x560bdbd6cae5 - std::io::Write::write_fmt::h5d052af13df32ea6
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x560bdbe2e621 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8fe8a9bdc421b4b6
[INFO] [stdout]                                at src/libstd/io/impls.rs:156
[INFO] [stdout]    7:     0x560bdbe368d5 - std::sys_common::backtrace::_print::ha087cac92e84a414
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x560bdbe368d5 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x560bdbe368d5 - std::panicking::default_hook::{{closure}}::h016d7de02def2736
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x560bdbe365bb - std::panicking::default_hook::h9386f7e484840463
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x560bdbe36f32 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   12:     0x560bdbe36b1b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   13:     0x560bdbe5cd21 - core::panicking::panic_fmt::hc5953a7331f9805c
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   14:     0x560bdbe5cc6d - core::panicking::panic::hbfb03ddd2cbb509e
[INFO] [stdout]                                at src/libcore/panicking.rs:54
[INFO] [stdout]   15:     0x560bdbdbec43 - core::mem::uninitialized::hb36b64542670c196
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661
[INFO] [stdout]   16:     0x560bdbdbec43 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::hb081d8a5f6b1842c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.1/src/lib.rs:174
[INFO] [stdout]   17:     0x560bdbdbeea7 - linked_hash_map::LinkedHashMap<K,V,S>::insert::hbe7d4f1c97091e74
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.1/src/lib.rs:304
[INFO] [stdout]   18:     0x560bdbd6a4a7 - serde_yaml::mapping::Mapping::insert::he5e6dbe58187c650
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.7/src/mapping.rs:63
[INFO] [stdout]   19:     0x560bdbd600a3 - <serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::h0abc554cee455259
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.7/src/value/de.rs:108
[INFO] [stdout]   20:     0x560bdbd585dc - serde_yaml::de::Deserializer::visit_mapping::{{closure}}::heb222d068d9e7e39
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.7/src/de.rs:186
[INFO] [stdout]   21:     0x560bdbd58f2e - serde_yaml::de::Deserializer::recursion_check::hc52aaa552f6d1e4d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.7/src/de.rs:250
[INFO] [stdout]   22:     0x560bdbd58281 - serde_yaml::de::Deserializer::visit_mapping::h219e950d710c1005
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.7/src/de.rs:180
[INFO] [stdout]   23:     0x560bdbd5c0b3 - <&mut serde_yaml::de::Deserializer as serde::de::Deserializer>::deserialize_any::h9050fe7130ed6733
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.7/src/de.rs:659
[INFO] [stdout]   24:     0x560bdbd61416 - serde_yaml::value::de::<impl serde::de::Deserialize for serde_yaml::value::Value>::deserialize::hde51d493caa226df
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.7/src/value/de.rs:115
[INFO] [stdout]   25:     0x560bdbd5acb4 - serde_yaml::de::from_str::h25bd8d44062221ca
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.7/src/de.rs:1022
[INFO] [stdout]   26:     0x560bdbd5e734 - shyaml::_test_yaml::h7a1afa2f062536f7
[INFO] [stdout]                                at src/main.rs:390
[INFO] [stdout]   27:     0x560bdbd5f255 - shyaml::t_node_to_writer_pretty::h9ec7fdfc2029be67
[INFO] [stdout]                                at src/main.rs:421
[INFO] [stdout]   28:     0x560bdbd5f22a - shyaml::t_node_to_writer_pretty::{{closure}}::h8aa82452a87f0dc2
[INFO] [stdout]                                at src/main.rs:420
[INFO] [stdout]   29:     0x560bdbd69a8e - core::ops::function::FnOnce::call_once::h8c58e53c8296c4c2
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stdout]   30:     0x560bdbd789df - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1f6ee40732e80908
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   31:     0x560bdbd93fde - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stdout]   32:     0x560bdbd93fde - std::panicking::try::do_call::hee6f5a4bef67c840
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stdout]   33:     0x560bdbd93fde - std::panicking::try::h3384d3b948e84dbc
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stdout]   34:     0x560bdbd93fde - std::panic::catch_unwind::h5ae91218e578066d
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stdout]   35:     0x560bdbd93fde - test::run_test_in_process::he37a49587889b910
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   36:     0x560bdbd93fde - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   37:     0x560bdbd6bf96 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   38:     0x560bdbd71325 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475
[INFO] [stdout]   39:     0x560bdbd71325 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stdout]   40:     0x560bdbd71325 - std::panicking::try::do_call::hb29b86f86d4d722e
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stdout]   41:     0x560bdbd71325 - std::panicking::try::h4bfefb3eddc0d900
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stdout]   42:     0x560bdbd71325 - std::panic::catch_unwind::h774c24d4b38d5828
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stdout]   43:     0x560bdbd71325 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474
[INFO] [stdout]   44:     0x560bdbd71325 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stdout]   45:     0x560bdbe2a82f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h7deaeeba480c6ce2
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   46:     0x560bdbe3d713 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h968b1dfb87756523
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   47:     0x560bdbe3d713 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   48:     0x7fc0e36c36db - start_thread
[INFO] [stdout]   49:     0x7fc0e31d488f - __clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     t_node_to_writer_pretty
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin shyaml'
[INFO] running `"docker" "inspect" "fca1bbce6da726cd37b2cc80e721cc59f593d665783e188d94608cb8e4c23e4d"`
[INFO] running `"docker" "rm" "-f" "fca1bbce6da726cd37b2cc80e721cc59f593d665783e188d94608cb8e4c23e4d"`
[INFO] [stdout] fca1bbce6da726cd37b2cc80e721cc59f593d665783e188d94608cb8e4c23e4d