[INFO] cloning repository https://github.com/lolgeny/copper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolgeny/copper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fcopper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fcopper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d808ed9070dee5cd4ce477b35e09fa4b9713ae2
[INFO] building lolgeny/copper against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fcopper" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lolgeny/copper on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lolgeny/copper
[INFO] finished tweaking git repo https://github.com/lolgeny/copper
[INFO] tweaked toml for git repo https://github.com/lolgeny/copper written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lolgeny/copper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec821ad2c222d0fff56141edfc5e12addd6b860eaf08862558b44cf93264adae
[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" "ec821ad2c222d0fff56141edfc5e12addd6b860eaf08862558b44cf93264adae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec821ad2c222d0fff56141edfc5e12addd6b860eaf08862558b44cf93264adae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec821ad2c222d0fff56141edfc5e12addd6b860eaf08862558b44cf93264adae", kill_on_drop: false }`
[INFO] [stdout] ec821ad2c222d0fff56141edfc5e12addd6b860eaf08862558b44cf93264adae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd13c03e69bb7fdddf20dc3d2ff21a83806a85eb70b333881cc2bfc5f4ffe05
[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" "6cd13c03e69bb7fdddf20dc3d2ff21a83806a85eb70b333881cc2bfc5f4ffe05", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling copper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![warn(rustdoc)]
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'Stack should be empty: final_buf=FrameData { open: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:4:16: 4:17 (#0), open_delim: Brace, inner: [(Token(Token { kind: Ident("AcaciaButton", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:5:5: 5:17 (#0) }), Alone), (Token(Token { kind: Ident("minecraft", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:6:1: 6:10 (#0) }), Joint)] } stack=[FrameData { open: src/lib.rs:1:1: 1:1 (#0), open_delim: NoDelim, inner: [(Token(Token { kind: Ident("pub", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:4:1: 4:4 (#0) }), Alone), (Token(Token { kind: Ident("enum", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:4:5: 4:9 (#0) }), Alone), (Token(Token { kind: Ident("Block", false), span: /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:4:10: 4:15 (#0) }), Alone)] }]', compiler/rustc_parse/src/parser/attr_wrapper.rs:507:5
[INFO] [stderr] stack backtrace:
[INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `minecraft`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 5 |     AcaciaButton
[INFO] [stdout]   |                 -
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 expected one of `(`, `,`, `=`, `{`, or `}`
[INFO] [stdout]   |                 help: missing `,`
[INFO] [stdout] 6 | minecraft:acaciaDoor
[INFO] [stdout]   | ^^^^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `:`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | minecraft:acaciaDoor
[INFO] [stdout]   |          ^ expected one of `(`, `,`, `=`, `{`, or `}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found `:`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/copper-3bd87a9b37a2fd4c/out/blocks.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | minecraft:acaciaDoor
[INFO] [stdout]   |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    0:     0x7efd35b5a2f0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x7efd35b5a2f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7efd35b5a2f0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7efd35b5a2f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7efd35bc86ef - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]    5:     0x7efd35b4bc05 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]    6:     0x7efd35b5e01b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7efd35b5e01b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7efd35b5e01b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7efd35b5dafd - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7efd363235fd - rustc_driver::report_ice::hfc42315e68be674c
[INFO] [stderr]   11:     0x7efd35b5e730 - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:595:17
[INFO] [stderr]   12:     0x7efd35b5e307 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:497:13
[INFO] [stderr]   13:     0x7efd35b5a7ac - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   14:     0x7efd35b5e269 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:493:5
[INFO] [stderr]   15:     0x7efd35b2723b - std::panicking::begin_panic_fmt::hf43a0025042538e2
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:435:5
[INFO] [stderr]   16:     0x7efd37bcd73e - <rustc_parse::parser::attr_wrapper::LazyTokenStreamImpl as rustc_ast::tokenstream::CreateTokenStream>::create_token_stream::hb2a1b8f70b721dd3
[INFO] [stderr]   17:     0x7efd3877ece9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::hac6da6dbdefd9835
[INFO] [stderr]   18:     0x7efd37dcb4d3 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::h55da34ed5a44d216
[INFO] [stderr]   19:     0x7efd3877dec7 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h17b035d761942fcd
[INFO] [stderr]   20:     0x7efd3877fce8 - rustc_ast::tokenstream::AttrAnnotatedTokenStream::to_tokenstream::he09a48c9a15e4275
[INFO] [stderr]   21:     0x7efd3857978c - rustc_parse::prepend_attrs::h0377bfe0b483a57b
[INFO] [stderr]   22:     0x7efd38578d34 - rustc_parse::nt_to_tokenstream::h65083044730b2695
[INFO] [stderr]   23:     0x7efd385007f7 - <rustc_expand::proc_macro::ProcMacroDerive as rustc_expand::base::MultiItemModifier>::expand::hdf95cda37699aae8
[INFO] [stderr]   24:     0x7efd37ad1f19 - rustc_expand::expand::MacroExpander::fully_expand_fragment::hc2aaf6ebe0a5ed8a
[INFO] [stderr]   25:     0x7efd384fb1e0 - rustc_expand::expand::MacroExpander::expand_crate::ha0fc1bf6745a8f3f
[INFO] [stderr]   26:     0x7efd37e1e992 - rustc_session::utils::<impl rustc_session::session::Session>::time::h9dc6ce765b180095
[INFO] [stderr]   27:     0x7efd37e25c23 - rustc_interface::passes::configure_and_expand_inner::hf652bd469576008b
[INFO] [stderr]   28:     0x7efd37e236df - rustc_interface::passes::configure_and_expand::{{closure}}::he1b72dc41282ca6a
[INFO] [stderr]   29:     0x7efd37e1fcf9 - rustc_data_structures::box_region::PinnedGenerator<I,A,R>::new::hd9c64a79f2a83cf4
[INFO] [stderr]   30:     0x7efd37e250b1 - rustc_interface::passes::configure_and_expand::he16d4df64b97df4a
[INFO] [stderr]   31:     0x7efd37e2e1f2 - rustc_interface::queries::Queries::expansion::hf6996f373da9594c
[INFO] [stderr]   32:     0x7efd37dedb40 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::h338ef067f4e62908
[INFO] [stderr]   33:     0x7efd37decd14 - rustc_span::with_source_map::ha9bd2637219a67ee
[INFO] [stderr]   34:     0x7efd37deecd1 - rustc_interface::interface::create_compiler_and_run::hdbdae17b1d4b741f
[INFO] [stderr]   35:     0x7efd37e08598 - scoped_tls::ScopedKey<T>::set::h8b11ff7379d3a1e7
[INFO] [stderr]   36:     0x7efd37e08a9b - std::sys_common::backtrace::__rust_begin_short_backtrace::heda65a548bd4e2a1
[INFO] [stderr]   37:     0x7efd37e0c3d5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05ddc76e238daac0
[INFO] [stderr]   38:     0x7efd35b6a587 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3aa31cb6360b59d9
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]   39:     0x7efd35b6a587 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7719d3c7c5841461
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]   40:     0x7efd35b6a587 - std::sys::unix::thread::Thread::new::thread_start::hfbe13ead469fd0bc
[INFO] [stderr]                                at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stderr]   41:     0x7efd35a88609 - start_thread
[INFO] [stderr]   42:     0x7efd3599c293 - clone
[INFO] [stderr]   43:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.54.0-nightly (881c1ac40 2021-05-08) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `copper`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6cd13c03e69bb7fdddf20dc3d2ff21a83806a85eb70b333881cc2bfc5f4ffe05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd13c03e69bb7fdddf20dc3d2ff21a83806a85eb70b333881cc2bfc5f4ffe05", kill_on_drop: false }`
[INFO] [stdout] 6cd13c03e69bb7fdddf20dc3d2ff21a83806a85eb70b333881cc2bfc5f4ffe05
