[INFO] cloning repository https://github.com/vroland/mfnf-export [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-export" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmfnf-export", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmfnf-export'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9cb12bb9efddb477c78c8de74c67555525bf15d4 [INFO] testing vroland/mfnf-export against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvroland%2Fmfnf-export" "/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/vroland/mfnf-export on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vroland/mfnf-export [INFO] finished tweaking git repo https://github.com/vroland/mfnf-export [INFO] tweaked toml for git repo https://github.com/vroland/mfnf-export written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/vroland/mfnf-export already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/serlo/mfnf-sitemap-parser` [INFO] [stderr] Updating git repository `https://github.com/serlo/mfnf-template-spec` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad81dc5539a5c51dc20a59661f4d45331800b653ca680ffbd638953e1fe7caed [INFO] running `Command { std: "docker" "start" "-a" "ad81dc5539a5c51dc20a59661f4d45331800b653ca680ffbd638953e1fe7caed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad81dc5539a5c51dc20a59661f4d45331800b653ca680ffbd638953e1fe7caed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad81dc5539a5c51dc20a59661f4d45331800b653ca680ffbd638953e1fe7caed", kill_on_drop: false }` [INFO] [stdout] ad81dc5539a5c51dc20a59661f4d45331800b653ca680ffbd638953e1fe7caed [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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39ad83d86e0a5cf8bbe93c6e9f8b7b0da8971c4afa13991406071c8592e2a09f [INFO] running `Command { std: "docker" "start" "-a" "39ad83d86e0a5cf8bbe93c6e9f8b7b0da8971c4afa13991406071c8592e2a09f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.26 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Compiling linked-hash-map v0.5.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling peg v0.5.7 [INFO] [stderr] Compiling colored v1.7.0 [INFO] [stderr] Compiling yaml-rust v0.4.2 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling serde_derive v1.0.85 [INFO] [stderr] Compiling structopt-derive v0.2.14 [INFO] [stderr] Compiling serde_yaml v0.8.8 [INFO] [stderr] Compiling serde_yaml v0.7.5 [INFO] [stderr] Compiling serde_json v1.0.37 [INFO] [stderr] Compiling structopt v0.2.14 [INFO] [stderr] Compiling mediawiki_parser v0.4.2 [INFO] [stderr] Compiling mwparser_utils_derive v0.1.0 (https://github.com/serlo/mediawiki-parser-utils#67c63573) [INFO] [stderr] Compiling mwparser_utils_derive v0.1.0 (https://github.com/vroland/mediawiki-parser-utils#67c63573) [INFO] [stderr] error: failed to run custom build command for `mediawiki_parser v0.4.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mediawiki_parser-426642699ae16ff2/build-script-build` (exit status: 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` uninitialized, which is invalid', /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/mem/mod.rs:660:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b979ffd340 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55b979ffd340 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55b979ffd340 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55b979ffd340 - ::fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55b97a01d3dc - core[ee1ca6415511a9c4]::fmt::write [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55b979ffb0e5 - ::write_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55b979ffefbb - std[77c0456e0eb29f0c]::sys_common::backtrace::_print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55b979ffefbb - std[77c0456e0eb29f0c]::sys_common::backtrace::print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55b979ffefbb - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55b979ffea91 - std[77c0456e0eb29f0c]::panicking::default_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55b979fff661 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55b979fff137 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:517:13 [INFO] [stderr] 12: 0x55b979ffd83c - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55b979fff0c9 - rust_begin_unwind [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55b979e8d0e1 - core[ee1ca6415511a9c4]::panicking::panic_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55b979e8d02d - core[ee1ca6415511a9c4]::panicking::panic [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:50:5 [INFO] [stderr] 16: 0x55b979f5f4ca - core[ee1ca6415511a9c4]::mem::uninitialized::> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/mem/mod.rs:660:9 [INFO] [stderr] 17: 0x55b979f5f4ca - >::ensure_guard_node [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: 0x55b979f5f6fc - >::insert [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: 0x55b979ee7816 - ::serialize_field:: [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.8/src/ser.rs:371:9 [INFO] [stderr] 20: 0x55b979f2741a - as serde[ccaeecb7f1330179]::ser::Serializer>::serialize_struct [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.85/src/private/ser.rs:294:14 [INFO] [stderr] 21: 0x55b979eb3801 - ::serialize::> [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.2/src/ast.rs:37:17 [INFO] [stderr] 22: 0x55b979f26268 - serde[ccaeecb7f1330179]::private::ser::serialize_tagged_newtype:: [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.85/src/private/ser.rs:29:5 [INFO] [stderr] 23: 0x55b979eb4a77 - ::serialize:: [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.2/src/ast.rs:13:17 [INFO] [stderr] 24: 0x55b979e8da58 - <&build_script_build[92a3af8c83d4ece6]::ast::Element as serde[ccaeecb7f1330179]::ser::Serialize>::serialize:: [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.85/src/ser/impls.rs:365:17 [INFO] [stderr] 25: 0x55b979ee51bb - serde_yaml[7c3ef20819217d0c]::ser::to_yaml::<&build_script_build[92a3af8c83d4ece6]::ast::Element> [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.8/src/ser.rs:460:5 [INFO] [stderr] 26: 0x55b979ee5609 - serde_yaml[7c3ef20819217d0c]::ser::to_writer::<&mut alloc[cda43b294bbfc5d0]::vec::Vec, build_script_build[92a3af8c83d4ece6]::ast::Element> [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.8/src/ser.rs:406:15 [INFO] [stderr] 27: 0x55b979ee4eb9 - serde_yaml[7c3ef20819217d0c]::ser::to_vec:: [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.8/src/ser.rs:423:5 [INFO] [stderr] 28: 0x55b979ee5445 - serde_yaml[7c3ef20819217d0c]::ser::to_string:: [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_yaml-0.8.8/src/ser.rs:435:26 [INFO] [stderr] 29: 0x55b979f2f85a - ::write_code [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.2/build.rs:68:13 [INFO] [stderr] 30: 0x55b979f3026d - build_script_build[92a3af8c83d4ece6]::generate_tests [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.2/build.rs:102:9 [INFO] [stderr] 31: 0x55b979f30357 - build_script_build[92a3af8c83d4ece6]::main [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mediawiki_parser-0.4.2/build.rs:108:5 [INFO] [stderr] 32: 0x55b979ef15bb - >::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 33: 0x55b979eee18e - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 34: 0x55b979f2e361 - std[77c0456e0eb29f0c]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:49:18 [INFO] [stderr] 35: 0x55b979fffb59 - <&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 36: 0x55b979fffb59 - std[77c0456e0eb29f0c]::panicking::try::do_call::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 37: 0x55b979fffb59 - std[77c0456e0eb29f0c]::panicking::try:: + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 38: 0x55b979fffb59 - std[77c0456e0eb29f0c]::panic::catch_unwind::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14 [INFO] [stderr] 39: 0x55b979fffb59 - std[77c0456e0eb29f0c]::rt::lang_start_internal [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:34:21 [INFO] [stderr] 40: 0x55b979f2e000 - std[77c0456e0eb29f0c]::rt::lang_start::<()> [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:48:5 [INFO] [stderr] 41: 0x55b979f318ec - main [INFO] [stderr] 42: 0x7fba0ea120b3 - __libc_start_main [INFO] [stderr] 43: 0x55b979e8d89e - _start [INFO] [stderr] 44: 0x0 - [INFO] running `Command { std: "docker" "inspect" "39ad83d86e0a5cf8bbe93c6e9f8b7b0da8971c4afa13991406071c8592e2a09f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39ad83d86e0a5cf8bbe93c6e9f8b7b0da8971c4afa13991406071c8592e2a09f", kill_on_drop: false }` [INFO] [stdout] 39ad83d86e0a5cf8bbe93c6e9f8b7b0da8971c4afa13991406071c8592e2a09f