[INFO] cloning repository https://github.com/coll/kgb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coll/kgb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoll%2Fkgb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoll%2Fkgb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68b596841d901af76e7c84c74860943b8368eddc
[INFO] testing coll/kgb against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoll%2Fkgb" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coll/kgb 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 git repo https://github.com/coll/kgb
[INFO] finished tweaking git repo https://github.com/coll/kgb
[INFO] tweaked toml for git repo https://github.com/coll/kgb written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/coll/kgb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded pest_derive v1.0.7
[INFO] [stderr]   Downloaded typed-arena v1.3.0
[INFO] [stderr]   Downloaded handlebars v1.0.0
[INFO] [stderr]   Downloaded globset v0.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.67
[INFO] [stderr]   Downloaded serde v1.0.67
[INFO] [stderr]   Downloaded assert_cli v0.6.2
[INFO] [stderr]   Downloaded nya v1.0.0
[INFO] [stderr]   Downloaded comrak v0.2.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 9e539ddae848c5fde9d97d690e4934751909989d02358f9f4e71d15cddb972a0
[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" "9e539ddae848c5fde9d97d690e4934751909989d02358f9f4e71d15cddb972a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e539ddae848c5fde9d97d690e4934751909989d02358f9f4e71d15cddb972a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e539ddae848c5fde9d97d690e4934751909989d02358f9f4e71d15cddb972a0", kill_on_drop: false }`
[INFO] [stdout] 9e539ddae848c5fde9d97d690e4934751909989d02358f9f4e71d15cddb972a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] bc72c6c0baccbf5f988e5e576d85780f96ea90e176aeb83b87201f31f79a3342
[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" "bc72c6c0baccbf5f988e5e576d85780f96ea90e176aeb83b87201f31f79a3342", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.67
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.67
[INFO] [stderr]    Compiling globset v0.4.0
[INFO] [stderr]    Compiling nya v1.0.0
[INFO] [stderr]    Compiling comrak v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling config v0.9.0
[INFO] [stderr]    Compiling handlebars v1.0.0
[INFO] [stderr]    Compiling kgb v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hbars/mod.rs:18:88
[INFO] [stdout]    |
[INFO] [stdout] 18 |             |h: &Helper, _: &Handlebars, _: &Context, _: &mut RenderContext, out: &mut Output| {
[INFO] [stdout]    |                                                                                        ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "bc72c6c0baccbf5f988e5e576d85780f96ea90e176aeb83b87201f31f79a3342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc72c6c0baccbf5f988e5e576d85780f96ea90e176aeb83b87201f31f79a3342", kill_on_drop: false }`
[INFO] [stdout] bc72c6c0baccbf5f988e5e576d85780f96ea90e176aeb83b87201f31f79a3342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] dadb22a2bd7c1762d6500195771ba4e8b6fd90990444fc9fca9bb33bc779db07
[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" "dadb22a2bd7c1762d6500195771ba4e8b6fd90990444fc9fca9bb33bc779db07", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling environment v0.1.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hbars/mod.rs:18:88
[INFO] [stdout]    |
[INFO] [stdout] 18 |             |h: &Helper, _: &Handlebars, _: &Context, _: &mut RenderContext, out: &mut Output| {
[INFO] [stdout]    |                                                                                        ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling assert_cli v0.6.2
[INFO] [stderr]    Compiling kgb v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hbars/mod.rs:18:88
[INFO] [stdout]    |
[INFO] [stdout] 18 |             |h: &Helper, _: &Handlebars, _: &Context, _: &mut RenderContext, out: &mut Output| {
[INFO] [stdout]    |                                                                                        ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.74s
[INFO] running `Command { std: "docker" "inspect" "dadb22a2bd7c1762d6500195771ba4e8b6fd90990444fc9fca9bb33bc779db07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dadb22a2bd7c1762d6500195771ba4e8b6fd90990444fc9fca9bb33bc779db07", kill_on_drop: false }`
[INFO] [stdout] dadb22a2bd7c1762d6500195771ba4e8b6fd90990444fc9fca9bb33bc779db07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] c7a141b34e5137db45eccae1aa2c8ce938f0c16129c5f2f33ce49f27bb3de3a1
[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" "c7a141b34e5137db45eccae1aa2c8ce938f0c16129c5f2f33ce49f27bb3de3a1", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hbars/mod.rs:18:88
[INFO] [stderr]    |
[INFO] [stderr] 18 |             |h: &Helper, _: &Handlebars, _: &Context, _: &mut RenderContext, out: &mut Output| {
[INFO] [stderr]    |                                                                                        ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hbars/mod.rs:18:88
[INFO] [stderr]    |
[INFO] [stderr] 18 |             |h: &Helper, _: &Handlebars, _: &Context, _: &mut RenderContext, out: &mut Output| {
[INFO] [stderr]    |                                                                                        ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kgb-f252168644defd49
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test util::ext_matches_test ... ok
[INFO] [stdout] test frontmatter::lexer_test ... ok
[INFO] [stdout] test util::path_includes_test ... ok
[INFO] [stderr] error: test failed, to rerun pass '--bin kgb'
[INFO] [stdout] test frontmatter::serializer_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- frontmatter::serializer_test stdout ----
[INFO] [stdout] thread 'frontmatter::serializer_test' panicked at 'attempted to leave type `linked_hash_map::Node<yaml::Yaml, yaml::Yaml>` uninitialized, which is invalid', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556db8edbd80 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x556db8edbd80 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x556db8edbd80 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x556db8edbd80 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x556db8eff41c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x556db8e201d6 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x556db8ed649d - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x556db8ede29d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x556db8ede29d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x556db8ede29d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x556db8eddef2 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x556db8ede981 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x556db8ede529 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x556db8edc20c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x556db8ede4e9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x556db8efdcf1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x556db8efdc3d - core::panicking::panic::hc6be4d7009fb30ae
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:50
[INFO] [stdout]   17:     0x556db8e7bdb3 - core::mem::uninitialized::h1fd5ece3c56e15ce
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/mem/mod.rs:658
[INFO] [stdout]   18:     0x556db8e7bdb3 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::h579f865dc29f74ce
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.1/src/lib.rs:174
[INFO] [stdout]   19:     0x556db8e7c077 - linked_hash_map::LinkedHashMap<K,V,S>::insert::habf02b45f9aa7885
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.1/src/lib.rs:304
[INFO] [stdout]   20:     0x556db8e6d706 - yaml_rust::yaml::YamlLoader::insert_new_node::h2519836c10bbb6dc
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.0/src/yaml.rs:187
[INFO] [stdout]   21:     0x556db8e6cfc7 - <yaml_rust::yaml::YamlLoader as yaml_rust::parser::MarkedEventReceiver>::on_event::hccfc2d1c63a94e17
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.0/src/yaml.rs:151
[INFO] [stdout]   22:     0x556db8ea407c - yaml_rust::parser::Parser<T>::load_node::h56e5e2f61702e951
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.0/src/parser.rs:226
[INFO] [stdout]   23:     0x556db8ea49ef - yaml_rust::parser::Parser<T>::load_mapping::hccd55204562ae7bd
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.0/src/parser.rs:251
[INFO] [stdout]   24:     0x556db8ea421d - yaml_rust::parser::Parser<T>::load_node::h56e5e2f61702e951
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.0/src/parser.rs:235
[INFO] [stdout]   25:     0x556db8ea382a - yaml_rust::parser::Parser<T>::load_document::h4637195142682bd2
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.0/src/parser.rs:212
[INFO] [stdout]   26:     0x556db8ea305a - yaml_rust::parser::Parser<T>::load::h1f6b0953b9ba60b7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.0/src/parser.rs:198
[INFO] [stdout]   27:     0x556db8e6d9a0 - yaml_rust::yaml::YamlLoader::load_from_str::hbde823feea303ae0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.0/src/yaml.rs:203
[INFO] [stdout]   28:     0x556db8e1c618 - kgb::frontmatter::deserialize::h10760e8c697a61f6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/frontmatter.rs:42
[INFO] [stdout]   29:     0x556db8e1cc9a - kgb::frontmatter::serializer_test::h392ffda766944871
[INFO] [stdout]                                at /opt/rustwide/workdir/src/frontmatter.rs:57
[INFO] [stdout]   30:     0x556db8e1cb9a - kgb::frontmatter::serializer_test::{{closure}}::hf8b61149db414543
[INFO] [stdout]                                at /opt/rustwide/workdir/src/frontmatter.rs:54
[INFO] [stdout]   31:     0x556db8e1ee1e - core::ops::function::FnOnce::call_once::hc1e0b6ae7eb25e5e
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   32:     0x556db8e46fc3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   33:     0x556db8e46fc3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   34:     0x556db8e454c8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   35:     0x556db8e454c8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   36:     0x556db8e454c8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   37:     0x556db8e454c8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   38:     0x556db8e454c8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   39:     0x556db8e454c8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   40:     0x556db8e454c8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   41:     0x556db8e1f556 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   42:     0x556db8e246c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   43:     0x556db8e246c5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   44:     0x556db8e246c5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   45:     0x556db8e246c5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   46:     0x556db8e246c5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   47:     0x556db8e246c5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   48:     0x556db8e246c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   49:     0x556db8ee49aa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   50:     0x556db8ee49aa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   51:     0x556db8ee49aa - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   52:     0x7fdfcfde4609 - start_thread
[INFO] [stdout]   53:     0x7fdfd006f103 - clone
[INFO] [stdout]   54:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     frontmatter::serializer_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7a141b34e5137db45eccae1aa2c8ce938f0c16129c5f2f33ce49f27bb3de3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a141b34e5137db45eccae1aa2c8ce938f0c16129c5f2f33ce49f27bb3de3a1", kill_on_drop: false }`
[INFO] [stdout] c7a141b34e5137db45eccae1aa2c8ce938f0c16129c5f2f33ce49f27bb3de3a1
