[INFO] updating cached repository https://github.com/vroland/mwlint
[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] c3796f138eb5e019d83f2693283043c60321c366
[INFO] testing vroland/mwlint against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmwlint" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vroland/mwlint 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/vroland/mwlint
[INFO] finished tweaking git repo https://github.com/vroland/mwlint
[INFO] tweaked toml for git repo https://github.com/vroland/mwlint written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/vroland/mwlint 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 591ca923af8bde7b14b0c2db35675b008d12dfa90fb9b6a383f9cdb85cc8b179
[INFO] running `"docker" "start" "-a" "591ca923af8bde7b14b0c2db35675b008d12dfa90fb9b6a383f9cdb85cc8b179"`
[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 unicode-width v0.1.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling mediawiki_parser v0.4.1
[INFO] [stderr]    Compiling mwparser_utils_derive v0.1.0 (https://github.com/vroland/mediawiki-parser-utils.git#d6705314)
[INFO] [stderr] error: failed to run custom build command for `mediawiki_parser v0.4.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mediawiki_parser-abb9db995d6e6e79/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/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55cc33ab5eb4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55cc33ab5eb4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55cc33ab5eb4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55cc33ab5eb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7729313ad2d729c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55cc33ada7cc - core::fmt::write::hb0049f6c12bdaffc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55cc33ab3853 - std::io::Write::write_fmt::hfb486fa6ccb90f14
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x55cc33ab84a5 - std::sys_common::backtrace::_print::ha087cac92e84a414
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55cc33ab84a5 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55cc33ab84a5 - std::panicking::default_hook::{{closure}}::h016d7de02def2736
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55cc33ab81e2 - std::panicking::default_hook::h9386f7e484840463
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55cc33ab8ab2 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55cc33ab869b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55cc33ad91f1 - core::panicking::panic_fmt::hc5953a7331f9805c
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x55cc33ad913d - core::panicking::panic::hbfb03ddd2cbb509e
[INFO] [stderr]                                at src/libcore/panicking.rs:54
[INFO] [stderr]   14:     0x55cc33a15e03 - core::mem::uninitialized::h6ced85ddf01fed5d
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661
[INFO] [stderr]   15:     0x55cc33a15e03 - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::he4e1ccb83e5ef991
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.1/src/lib.rs:174
[INFO] [stderr]   16:     0x55cc33a16067 - linked_hash_map::LinkedHashMap<K,V,S>::insert::h74730ed0868fdc02
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.1/src/lib.rs:304
[INFO] [stderr]   17:     0x55cc339706ba - <serde_yaml::ser::SerializeStruct as serde::ser::SerializeStruct>::serialize_field::h7c0d94b6adb3f3cc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:344
[INFO] [stderr]   18:     0x55cc339c5e3a - <serde::private::ser::TaggedSerializer<S> as serde::ser::Serializer>::serialize_struct::h33a4394f9ea8d132
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.80/src/private/ser.rs:302
[INFO] [stderr]   19:     0x55cc3391ef34 - build_script_build::ast::_IMPL_SERIALIZE_FOR_Document::<impl serde::ser::Serialize for build_script_build::ast::Document>::serialize::hdd0af6bff8998d9c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/src/ast.rs:36
[INFO] [stderr]   20:     0x55cc339c56a8 - serde::private::ser::serialize_tagged_newtype::h9f4981dc617335a1
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.80/src/private/ser.rs:37
[INFO] [stderr]   21:     0x55cc3391d5d2 - build_script_build::ast::_IMPL_SERIALIZE_FOR_Element::<impl serde::ser::Serialize for build_script_build::ast::Element>::serialize::h6e969f44db34f4a2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/src/ast.rs:12
[INFO] [stderr]   22:     0x55cc3391a3f8 - serde::ser::impls::<impl serde::ser::Serialize for &T>::serialize::hb73ae2309efd3f76
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.80/src/ser/impls.rs:373
[INFO] [stderr]   23:     0x55cc3396d3cb - serde_yaml::ser::to_yaml::h29363c0b3fb52e62
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:434
[INFO] [stderr]   24:     0x55cc3396d8dc - serde_yaml::ser::to_writer::hc9d240ba58365c6d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:379
[INFO] [stderr]   25:     0x55cc3396d104 - serde_yaml::ser::to_vec::hc0ca715af9f9417b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:396
[INFO] [stderr]   26:     0x55cc3396d6ac - serde_yaml::ser::to_string::h0a27e7283fccee89
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.7.5/src/ser.rs:408
[INFO] [stderr]   27:     0x55cc3397a736 - build_script_build::Test::write_code::hf35ea1dc815a5f2b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/build.rs:70
[INFO] [stderr]   28:     0x55cc3397aff9 - build_script_build::generate_tests::h347f6c2f8e15bd35
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/build.rs:104
[INFO] [stderr]   29:     0x55cc3397b11a - build_script_build::main::h58866f587ebac88a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/build.rs:110
[INFO] [stderr]   30:     0x55cc3396b5eb - std::rt::lang_start::{{closure}}::h8c0fc6f3ed6b6b76
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67
[INFO] [stderr]   31:     0x55cc33ab8ef8 - std::rt::lang_start_internal::{{closure}}::h76043ceda1ce1596
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   32:     0x55cc33ab8ef8 - std::panicking::try::do_call::hb3d81a78fdf1ed63
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   33:     0x55cc33ab8ef8 - std::panicking::try::he8d7c35962fb5d7e
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   34:     0x55cc33ab8ef8 - std::panic::catch_unwind::h643ad9bfe058a347
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   35:     0x55cc33ab8ef8 - std::rt::lang_start_internal::h4b0f023744ce345f
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   36:     0x55cc3396b5c7 - std::rt::lang_start::h07cacedff9237ec5
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67
[INFO] [stderr]   37:     0x55cc3397c8da - main
[INFO] [stderr]   38:     0x7fcbc7cdab97 - __libc_start_main
[INFO] [stderr]   39:     0x55cc33916aca - _start
[INFO] [stderr]   40:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "591ca923af8bde7b14b0c2db35675b008d12dfa90fb9b6a383f9cdb85cc8b179"`
[INFO] running `"docker" "rm" "-f" "591ca923af8bde7b14b0c2db35675b008d12dfa90fb9b6a383f9cdb85cc8b179"`
[INFO] [stdout] 591ca923af8bde7b14b0c2db35675b008d12dfa90fb9b6a383f9cdb85cc8b179