[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#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmfnf-sitemap-parser" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vroland/mfnf-sitemap-parser on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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-13/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] [stderr]   Downloaded structopt v0.2.12
[INFO] [stderr]   Downloaded structopt-derive v0.2.12
[INFO] [stderr]   Downloaded mediawiki_parser v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b24d9f01660f854f02621ab0ff16c4dce824c54d69f4bac2a783ce578add889d
[INFO] running `Command { std: "docker" "start" "-a" "b24d9f01660f854f02621ab0ff16c4dce824c54d69f4bac2a783ce578add889d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b24d9f01660f854f02621ab0ff16c4dce824c54d69f4bac2a783ce578add889d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24d9f01660f854f02621ab0ff16c4dce824c54d69f4bac2a783ce578add889d", kill_on_drop: false }`
[INFO] [stdout] b24d9f01660f854f02621ab0ff16c4dce824c54d69f4bac2a783ce578add889d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b0973419cf9f73fe07ee0efc5393e250128da28fa3b609c7a6bd0ab1f716f3
[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" "c3b0973419cf9f73fe07ee0efc5393e250128da28fa3b609c7a6bd0ab1f716f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling structopt-derive v0.2.12
[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/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/core/src/mem/mod.rs:659:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d51befeb47 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55d51befeb47 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d51befeb47 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55d51befeb47 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc132ae1a5b5aa7cd
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55d51bf2020c - core::fmt::write::hdf023a0036d2a25f
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55d51befbd22 - std::io::Write::write_fmt::h8580846154bcb66a
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55d51bf008d5 - std::sys_common::backtrace::_print::h7ee55fed88d107a3
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55d51bf008d5 - std::sys_common::backtrace::print::h54a7d3e52a524177
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55d51bf008d5 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55d51bf0042a - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55d51bf01071 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55d51bf00b87 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x55d51beff00c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55d51bf00b19 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55d51bf1ebc1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55d51bf1eb0d - core::panicking::panic::h35b77276aa4b0c12
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55d51be5c1c3 - core::mem::uninitialized::h0cc48d29ed592ee3
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/core/src/mem/mod.rs:659:9
[INFO] [stderr]     17:     0x55d51be5c1c3 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::h2bce80134e7e41f2
[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:     0x55d51be5c417 - linked_hash_map::LinkedHashMap<K,V,S>::insert::h954b71e0ae43e731
[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:     0x55d51bdda2bf - <serde_yaml::ser::SerializeStruct as serde::ser::SerializeStruct>::serialize_field::h15d4eb64074b5134
[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:     0x55d51be2181f - <serde::private::ser::TaggedSerializer<S> as serde::ser::Serializer>::serialize_struct::h44307c623e3442bb
[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:     0x55d51bd80117 - build_script_build::ast::_IMPL_SERIALIZE_FOR_Document::<impl serde::ser::Serialize for build_script_build::ast::Document>::serialize::h5adcd2a30eb7de77
[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:     0x55d51be1fbb8 - serde::private::ser::serialize_tagged_newtype::h02ad1c4abcdcc060
[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:     0x55d51bd7e6f2 - build_script_build::ast::_IMPL_SERIALIZE_FOR_Element::<impl serde::ser::Serialize for build_script_build::ast::Element>::serialize::h2b02c3c43c72c536
[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:     0x55d51bd7afb8 - serde::ser::impls::<impl serde::ser::Serialize for &T>::serialize::h32626709a854b8a9
[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:     0x55d51bdd859a - serde_yaml::ser::to_yaml::ha54a2657e4108e96
[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:     0x55d51bdd88dc - serde_yaml::ser::to_writer::hed1a0688b81a2512
[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:     0x55d51bdd8202 - serde_yaml::ser::to_vec::h3b89930cd04f9283
[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:     0x55d51bdd86ec - serde_yaml::ser::to_string::h914f4b965f7fe5f7
[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:     0x55d51be11893 - build_script_build::Test::write_code::h06732f4d4b37aa66
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.0/build.rs:70:13
[INFO] [stderr]     30:     0x55d51be12186 - 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:     0x55d51be1234a - 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:     0x55d51bdccbab - core::ops::function::FnOnce::call_once::h03f18dc87992c950
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     33:     0x55d51be1df3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d97d5dee7ed93bb
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     34:     0x55d51bddbf11 - std::rt::lang_start::{{closure}}::h877e1966952140ac
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/rt.rs:66:18
[INFO] [stderr]     35:     0x55d51bf01497 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     36:     0x55d51bf01497 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/panicking.rs:379:40
[INFO] [stderr]     37:     0x55d51bf01497 - std::panicking::try::hb36953ccd24f930d
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/panicking.rs:343:19
[INFO] [stderr]     38:     0x55d51bf01497 - std::panic::catch_unwind::hbb374cd03beb3824
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/panic.rs:396:14
[INFO] [stderr]     39:     0x55d51bf01497 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/rt.rs:51:25
[INFO] [stderr]     40:     0x55d51bddbee7 - std::rt::lang_start::hafce59f3b7f4bec6
[INFO] [stderr]                                  at /rustc/55b3f428b4fac6790b1e8492e0b91ff2d80aec7c/library/std/src/rt.rs:65:5
[INFO] [stderr]     41:     0x55d51be13c1a - main
[INFO] [stderr]     42:     0x7fef40ce80b3 - __libc_start_main
[INFO] [stderr]     43:     0x55d51bd770ae - _start
[INFO] [stderr]     44:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c3b0973419cf9f73fe07ee0efc5393e250128da28fa3b609c7a6bd0ab1f716f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b0973419cf9f73fe07ee0efc5393e250128da28fa3b609c7a6bd0ab1f716f3", kill_on_drop: false }`
[INFO] [stdout] c3b0973419cf9f73fe07ee0efc5393e250128da28fa3b609c7a6bd0ab1f716f3