[INFO] cloning repository https://github.com/vroland/mwlint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vroland/mwlint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmwlint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmwlint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3796f138eb5e019d83f2693283043c60321c366
[INFO] checking vroland/mwlint against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmwlint" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vroland/mwlint on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/vroland/mwlint already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/vroland/mfnf-template-spec.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mediawiki_parser v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e85751eb7ccdbdde5db655b314cfebce237e904ecdcb4cab3fe530f13a303b6
[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" "4e85751eb7ccdbdde5db655b314cfebce237e904ecdcb4cab3fe530f13a303b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e85751eb7ccdbdde5db655b314cfebce237e904ecdcb4cab3fe530f13a303b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e85751eb7ccdbdde5db655b314cfebce237e904ecdcb4cab3fe530f13a303b6", kill_on_drop: false }`
[INFO] [stdout] 4e85751eb7ccdbdde5db655b314cfebce237e904ecdcb4cab3fe530f13a303b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 871bb8f852a65183797df6ea9ecbe1842c3196c7d55aa27384218217cfdc2c77
[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" "871bb8f852a65183797df6ea9ecbe1842c3196c7d55aa27384218217cfdc2c77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]     Checking 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]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking 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-f14c3baf7fe9be43/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/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/mem/mod.rs:663:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ea64861030 - std::backtrace_rs::backtrace::libunwind::trace::h9d49145f95eb5894
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55ea64861030 - std::backtrace_rs::backtrace::trace_unsynchronized::hab1d020365bb6864
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ea64861030 - std::sys_common::backtrace::_print_fmt::h7659588431e304bd
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ea64861030 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h09f4a9e3befae3c7
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ea6487e67c - core::fmt::write::hf3fdfde304b9a088
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55ea6485e1a2 - std::io::Write::write_fmt::h1cb850689c7116f0
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x55ea64862d65 - std::sys_common::backtrace::_print::hdbccd5aa093ba544
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ea64862d65 - std::sys_common::backtrace::print::hc639c4f320222558
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ea64862d65 - std::panicking::default_hook::{{closure}}::hdb012dd7a485bb5d
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55ea64862813 - std::panicking::default_hook::h75facbce77b6ba91
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55ea64863501 - std::panicking::rust_panic_with_hook::hbcaa5de2cb5e22d5
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55ea64863017 - std::panicking::begin_panic_handler::{{closure}}::h4ee6cde415c8f62d
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x55ea648614ec - std::sys_common::backtrace::__rust_end_short_backtrace::h895319f2d3f611c0
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55ea64862fa9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55ea6487ce51 - core::panicking::panic_fmt::h0123abb763a6e96f
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55ea6487cd9d - core::panicking::panic::hdf1b6c818ad7c6ad
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55ea647c705e - core::mem::uninitialized::h490142470b8c3b13
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/mem/mod.rs:663:9
[INFO] [stderr]     17:     0x55ea647c705e - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::h770f5139aa8a8b5c
[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:     0x55ea647c7297 - linked_hash_map::LinkedHashMap<K,V,S>::insert::h363efa458402e931
[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:     0x55ea6473269d - <serde_yaml::ser::SerializeStruct as serde::ser::SerializeStruct>::serialize_field::h17c14f613ec3e17d
[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:     0x55ea64781224 - <serde::private::ser::TaggedSerializer<S> as serde::ser::Serializer>::serialize_struct::hacfcafde86389c0d
[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:     0x55ea646e2171 - build_script_build::ast::_IMPL_SERIALIZE_FOR_Document::<impl serde::ser::Serialize for build_script_build::ast::Document>::serialize::hdf50f7c0550484e9
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/src/ast.rs:36:17
[INFO] [stderr]     22:     0x55ea6477fc18 - serde::private::ser::serialize_tagged_newtype::h536d3ded234fad01
[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:     0x55ea646e0752 - build_script_build::ast::_IMPL_SERIALIZE_FOR_Element::<impl serde::ser::Serialize for build_script_build::ast::Element>::serialize::h41c60695086048fa
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/src/ast.rs:12:17
[INFO] [stderr]     24:     0x55ea646dcfe8 - serde::ser::impls::<impl serde::ser::Serialize for &T>::serialize::h56a3ded4112b89d2
[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:     0x55ea6473014a - serde_yaml::ser::to_yaml::hae78fe91df2665ac
[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:     0x55ea6473054c - serde_yaml::ser::to_writer::h33ac15e6874acb8b
[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:     0x55ea6472fea2 - serde_yaml::ser::to_vec::h2fa83a95c1edcf84
[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:     0x55ea6473035c - serde_yaml::ser::to_string::h60aceb90f8306070
[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:     0x55ea64768ca3 - build_script_build::Test::write_code::hc1174ca9d16a739e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/build.rs:70:13
[INFO] [stderr]     30:     0x55ea64769534 - build_script_build::generate_tests::h538b8ac528198d80
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/build.rs:104:9
[INFO] [stderr]     31:     0x55ea647696fd - build_script_build::main::he3d26f8599b304b6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.1/build.rs:110:5
[INFO] [stderr]     32:     0x55ea6477a9eb - core::ops::function::FnOnce::call_once::hfcd9b2e7eab8bcd5
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     33:     0x55ea647796fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h0a21b1dbbbad9414
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     34:     0x55ea64734291 - std::rt::lang_start::{{closure}}::h482a76ffc19c9235
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:66:18
[INFO] [stderr]     35:     0x55ea6486391a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h31ee16c075ae2d62
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     36:     0x55ea6486391a - std::panicking::try::do_call::h3993344bf97066b6
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:379:40
[INFO] [stderr]     37:     0x55ea6486391a - std::panicking::try::h09e523df7c9c2d28
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:343:19
[INFO] [stderr]     38:     0x55ea6486391a - std::panic::catch_unwind::h9d4ddb10ebb815ff
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panic.rs:431:14
[INFO] [stderr]     39:     0x55ea6486391a - std::rt::lang_start_internal::hc92e27a69d75de2a
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:51:25
[INFO] [stderr]     40:     0x55ea64734267 - std::rt::lang_start::h970a48726a3f7dc8
[INFO] [stderr]                                  at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:65:5
[INFO] [stderr]     41:     0x55ea6476ae5a - main
[INFO] [stderr]     42:     0x7f0c7e7150b3 - __libc_start_main
[INFO] [stderr]     43:     0x55ea646d90ae - _start
[INFO] [stderr]     44:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "871bb8f852a65183797df6ea9ecbe1842c3196c7d55aa27384218217cfdc2c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871bb8f852a65183797df6ea9ecbe1842c3196c7d55aa27384218217cfdc2c77", kill_on_drop: false }`
[INFO] [stdout] 871bb8f852a65183797df6ea9ecbe1842c3196c7d55aa27384218217cfdc2c77