[INFO] cloning repository https://github.com/vroland/mfnf-sitemap-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vroland/mfnf-sitemap-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmfnf-sitemap-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmfnf-sitemap-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d8002c6d9d7e1addda2bee3ea9514d19271ce6d
[INFO] checking vroland/mfnf-sitemap-parser against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmfnf-sitemap-parser" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vroland/mfnf-sitemap-parser on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vroland/mfnf-sitemap-parser
[INFO] finished tweaking git repo https://github.com/vroland/mfnf-sitemap-parser
[INFO] tweaked toml for git repo https://github.com/vroland/mfnf-sitemap-parser written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vroland/mfnf-sitemap-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mediawiki_parser v0.4.0
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e648abc2d368edffed7828dc1cb7afbe29212370ba77ae05e8d9614ea875c0f0
[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" "e648abc2d368edffed7828dc1cb7afbe29212370ba77ae05e8d9614ea875c0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e648abc2d368edffed7828dc1cb7afbe29212370ba77ae05e8d9614ea875c0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e648abc2d368edffed7828dc1cb7afbe29212370ba77ae05e8d9614ea875c0f0", kill_on_drop: false }`
[INFO] [stdout] e648abc2d368edffed7828dc1cb7afbe29212370ba77ae05e8d9614ea875c0f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f737edeae09adc8b2d8f3d948a614281472e82c59e32b9fc102936ecdf0b8af3
[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" "f737edeae09adc8b2d8f3d948a614281472e82c59e32b9fc102936ecdf0b8af3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling structopt-derive v0.2.12
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking structopt v0.2.12
[INFO] [stderr]    Compiling mediawiki_parser v0.4.0
[INFO] [stderr]    Compiling mwparser_utils_derive v0.1.0 (https://github.com/vroland/mediawiki-parser-utils#d6705314)
[INFO] [stderr] error: failed to run custom build command for `mediawiki_parser v0.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mediawiki_parser-5b41f9a358132f06/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/grammar.rustpeg
[INFO] [stderr]   cargo:rerun-if-changed=doc/docs.yml
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'attempted to leave type `linked_hash_map::Node<yaml::Yaml, yaml::Yaml>` uninitialized, which is invalid', /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/mem/mod.rs:659:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561e4e582260 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x561e4e582260 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x561e4e582260 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x561e4e582260 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h400b66a054640aac
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x561e4e5a18ec - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x561e4e57f482 - std::io::Write::write_fmt::h6453b28c8b27c6ea
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x561e4e584415 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x561e4e584415 - std::sys_common::backtrace::print::h953c7be178c0674d
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x561e4e584415 - std::panicking::default_hook::{{closure}}::h635d667f571198f0
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x561e4e5840b8 - std::panicking::default_hook::h3bc2efb48060abaa
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x561e4e584a91 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:577:17
[INFO] [stderr]     11:     0x561e4e584639 - std::panicking::begin_panic_handler::{{closure}}::hf0d3f46d37dd3bc1
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:484:9
[INFO] [stderr]     12:     0x561e4e5826fc - std::sys_common::backtrace::__rust_end_short_backtrace::h4bce8b52717576e3
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x561e4e5845f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:483:5
[INFO] [stderr]     14:     0x561e4e5a01c1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/panicking.rs:85:14
[INFO] [stderr]     15:     0x561e4e5a010d - core::panicking::panic::h5d1c61fed2502a5f
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x561e4e4db033 - core::mem::uninitialized::hbe51351f3fac33a6
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/mem/mod.rs:659:9
[INFO] [stderr]     17:     0x561e4e4db033 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::hf14b5112a6a86827
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.1/src/lib.rs:174:52
[INFO] [stderr]     18:     0x561e4e4db287 - linked_hash_map::LinkedHashMap<K,V,S>::insert::h5846d5dec9a23213
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.1/src/lib.rs:304:9
[INFO] [stderr]     19:     0x561e4e454e3d - <serde_yaml::ser::SerializeStruct as serde::ser::SerializeStruct>::serialize_field::h54dc242d897d1cf5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:344:9
[INFO] [stderr]     20:     0x561e4e4a4454 - <serde::private::ser::TaggedSerializer<S> as serde::ser::Serializer>::serialize_struct::h89d57372486d756b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.80/src/private/ser.rs:302:14
[INFO] [stderr]     21:     0x561e4e404ac1 - build_script_build::ast::_IMPL_SERIALIZE_FOR_Document::<impl serde::ser::Serialize for build_script_build::ast::Document>::serialize::h87a43f5cb4104d0a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.0/src/ast.rs:36:17
[INFO] [stderr]     22:     0x561e4e4a3248 - serde::private::ser::serialize_tagged_newtype::hc816db5463740f23
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.80/src/private/ser.rs:37:5
[INFO] [stderr]     23:     0x561e4e403112 - build_script_build::ast::_IMPL_SERIALIZE_FOR_Element::<impl serde::ser::Serialize for build_script_build::ast::Element>::serialize::heb297e0aeb45ad81
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.0/src/ast.rs:12:17
[INFO] [stderr]     24:     0x561e4e3fffe8 - serde::ser::impls::<impl serde::ser::Serialize for &T>::serialize::h3fc106f635a4eb47
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.80/src/ser/impls.rs:373:17
[INFO] [stderr]     25:     0x561e4e45236a - serde_yaml::ser::to_yaml::hbbb899103d4ea731
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:434:5
[INFO] [stderr]     26:     0x561e4e45262c - serde_yaml::ser::to_writer::h2de47026a37aa27e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:379:15
[INFO] [stderr]     27:     0x561e4e451f73 - serde_yaml::ser::to_vec::hdea30f042b3cdef1
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:396:5
[INFO] [stderr]     28:     0x561e4e45243c - serde_yaml::ser::to_string::h91081b11f6dc7ae4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:408:26
[INFO] [stderr]     29:     0x561e4e4906b3 - build_script_build::Test::write_code::h4b3df076d82409ad
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.0/build.rs:70:13
[INFO] [stderr]     30:     0x561e4e490f5e - build_script_build::generate_tests::hd76f4550a730979c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.0/build.rs:104:9
[INFO] [stderr]     31:     0x561e4e49111a - build_script_build::main::hbd19f232b90959e3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.0/build.rs:110:5
[INFO] [stderr]     32:     0x561e4e49db9b - core::ops::function::FnOnce::call_once::he62af11b4ac1b01e
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     33:     0x561e4e49ccbe - std::sys_common::backtrace::__rust_begin_short_backtrace::he14b8043034fea98
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     34:     0x561e4e44ac41 - std::rt::lang_start::{{closure}}::he60c6e7406f40c18
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:66:18
[INFO] [stderr]     35:     0x561e4e584eb7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1af42f2aaad601f7
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     36:     0x561e4e584eb7 - std::panicking::try::do_call::h9d43a73a8e9fb04a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:381:40
[INFO] [stderr]     37:     0x561e4e584eb7 - std::panicking::try::h7a8d1100a6afe839
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:345:19
[INFO] [stderr]     38:     0x561e4e584eb7 - std::panic::catch_unwind::h9c80942da690cf03
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panic.rs:382:14
[INFO] [stderr]     39:     0x561e4e584eb7 - std::rt::lang_start_internal::h18ef240fb861b4d5
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:51:25
[INFO] [stderr]     40:     0x561e4e44ac17 - std::rt::lang_start::hca52c81dac139454
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:65:5
[INFO] [stderr]     41:     0x561e4e49287a - main
[INFO] [stderr]     42:     0x7fa8cb5ad0b3 - __libc_start_main
[INFO] [stderr]     43:     0x561e4e3fc0ae - _start
[INFO] [stderr]     44:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f737edeae09adc8b2d8f3d948a614281472e82c59e32b9fc102936ecdf0b8af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f737edeae09adc8b2d8f3d948a614281472e82c59e32b9fc102936ecdf0b8af3", kill_on_drop: false }`
[INFO] [stdout] f737edeae09adc8b2d8f3d948a614281472e82c59e32b9fc102936ecdf0b8af3