[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] checking lolgeny/copper against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fcopper" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lolgeny/copper on toolchain 7b3565da729099dbe807466fcd118fb2815986e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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-4/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 9907cbd8f17766a5c778605e41cc7f2d32b2d7a0ebd30bf0e64c42f2cffb8001 [INFO] running `Command { std: "docker" "start" "-a" "9907cbd8f17766a5c778605e41cc7f2d32b2d7a0ebd30bf0e64c42f2cffb8001", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9907cbd8f17766a5c778605e41cc7f2d32b2d7a0ebd30bf0e64c42f2cffb8001", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9907cbd8f17766a5c778605e41cc7f2d32b2d7a0ebd30bf0e64c42f2cffb8001", kill_on_drop: false }` [INFO] [stdout] 9907cbd8f17766a5c778605e41cc7f2d32b2d7a0ebd30bf0e64c42f2cffb8001 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 662a965bede188255b375c7c51c116e114ab4d21f2c0332cacb5bf348102a6d1 [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" "662a965bede188255b375c7c51c116e114ab4d21f2c0332cacb5bf348102a6d1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [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 convert_case v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling copper v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.9 [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] [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] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `minecraft` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-b091888c425c33e9/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-b091888c425c33e9/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-b091888c425c33e9/out/blocks.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | minecraft:acaciaDoor [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Stack should be empty: final_buf=FrameData { open: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:4:16: 4:17 (#0), inner: [(Token(Token { kind: Ident("AcaciaButton", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:5:5: 5:17 (#0) }), Alone), (Token(Token { kind: Ident("minecraft", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:6:1: 6:10 (#0) }), Joint)] } stack=[FrameData { open: src/lib.rs:1:1: 1:1 (#0), inner: [(Token(Token { kind: Ident("pub", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:4:1: 4:4 (#0) }), Alone), (Token(Token { kind: Ident("enum", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:4:5: 4:9 (#0) }), Alone), (Token(Token { kind: Ident("Block", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:4:10: 4:15 (#0) }), Alone)] }]', compiler/rustc_parse/src/parser/attr_wrapper.rs:212:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f99a42b2dd0 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7f99a42b2dd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f99a42b2dd0 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f99a42b2dd0 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f99a432405f - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x7f99a42a7865 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/io/mod.rs:1580:15 [INFO] [stderr] 6: 0x7f99a42b69bb - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f99a42b69bb - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f99a42b69bb - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f99a42b649d - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:225:9 [INFO] [stderr] thread 'rustc' panicked at 'Stack should be empty: final_buf=FrameData { open: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:4:16: 4:17 (#0), inner: [(Token(Token { kind: Ident("AcaciaButton", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:5:5: 5:17 (#0) }), Alone), (Token(Token { kind: Ident("minecraft", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:6:1: 6:10 (#0) }), Joint)] } stack=[FrameData { open: src/lib.rs:1:1: 1:1 (#0), inner: [(Token(Token { kind: Ident("pub", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:4:1: 4:4 (#0) }), Alone), (Token(Token { kind: Ident("enum", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:4:5: 4:9 (#0) }), Alone), (Token(Token { kind: Ident("Block", false), span: /opt/rustwide/target/debug/build/copper-b091888c425c33e9/out/blocks.rs:4:10: 4:15 (#0) }), Alone)] }]', compiler/rustc_parse/src/parser/attr_wrapper.rs:212:5 [INFO] [stderr] stack backtrace: [INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `minecraft` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-b091888c425c33e9/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-b091888c425c33e9/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-b091888c425c33e9/out/blocks.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | minecraft:acaciaDoor [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x7f6214001dd0 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7f6214001dd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f6214001dd0 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f6214001dd0 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f621407305f - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x7f6213ff6865 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/io/mod.rs:1580:15 [INFO] [stderr] 6: 0x7f62140059bb - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f62140059bb - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f62140059bb - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f621400549d - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7f99a4a757cd - rustc_driver::report_ice::hc702a08d9fb7377c [INFO] [stderr] 11: 0x7f99a42b70d0 - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:595:17 [INFO] [stderr] 12: 0x7f99a42b6ca7 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:497:13 [INFO] [stderr] 13: 0x7f99a42b326c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 14: 0x7f99a42b6c09 - rust_begin_unwind [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:493:5 [INFO] [stderr] 15: 0x7f99a4282d9b - std::panicking::begin_panic_fmt::ha0ce415375ca426f [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:435:5 [INFO] [stderr] 16: 0x7f99a6c944b3 - ::collect_tokens_trailing_token::LazyTokenStreamImpl as rustc_ast::tokenstream::CreateTokenStream>::create_token_stream::h0a555c248eee7264 [INFO] [stderr] 17: 0x7f99a6ca043d - rustc_parse::prepend_attrs::h6b79b82084837b8d [INFO] [stderr] 18: 0x7f99a6c9ff45 - rustc_parse::nt_to_tokenstream::h4292135cd3c8d6e7 [INFO] [stderr] 19: 0x7f99a6c1d9df - ::expand::hdb283a47c71cf836 [INFO] [stderr] 20: 0x7f99a620d6f8 - rustc_expand::expand::MacroExpander::fully_expand_fragment::hb8bae743ebd0192e [INFO] [stderr] 21: 0x7f99a6c21a93 - rustc_expand::expand::MacroExpander::expand_crate::hf9f489b9197a0063 [INFO] [stderr] 22: 0x7f99a6524a11 - rustc_session::utils::::time::h3dc2dd296c4e6348 [INFO] [stderr] 23: 0x7f99a652c13c - rustc_interface::passes::configure_and_expand_inner::h807e0813b33b80cc [INFO] [stderr] 24: 0x7f99a6529c0f - rustc_interface::passes::configure_and_expand::{{closure}}::h99c0130e80c215c6 [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 25: 0x7f99a6526228 - rustc_data_structures::box_region::PinnedGenerator::new::h5613640dee407b4a [INFO] [stderr] 26: 0x7f99a652b5e8 - rustc_interface::passes::configure_and_expand::h2394b72fb41b007e [INFO] [stderr] 27: 0x7f99a65365b2 - rustc_interface::queries::Queries::expansion::hd2fc4752b1f2c979 [INFO] [stderr] 28: 0x7f99a64f3673 - rustc_interface::queries::::enter::h022bc5d96316a497 [INFO] [stderr] 29: 0x7f99a64f27c4 - rustc_span::with_source_map::h71765ec8b8fd9951 [INFO] [stderr] 30: 0x7f99a64f4811 - rustc_interface::interface::create_compiler_and_run::hb7fa0da3b5c16631 [INFO] [stderr] 31: 0x7f99a650e0c8 - scoped_tls::ScopedKey::set::he6d088ee8831445a [INFO] [stderr] 32: 0x7f99a650e5e4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hab4e36ec9faa9780 [INFO] [stderr] 33: 0x7f99a6511df5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h32361ced26b14e7a [INFO] [stderr] 34: 0x7f99a42c6fe3 - as core::ops::function::FnOnce>::call_once::h6bc35b6a67165211 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/alloc/src/boxed.rs:1546:9 [INFO] [stderr] 35: 0x7f99a42c6fe3 - as core::ops::function::FnOnce>::call_once::h22a1030555589216 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/alloc/src/boxed.rs:1546:9 [INFO] [stderr] 36: 0x7f99a42c6fe3 - std::sys::unix::thread::Thread::new::thread_start::h729365a01fb88184 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stderr] 37: 0x7f99a41e3609 - start_thread [INFO] [stderr] 38: 0x7f99a40f7293 - clone [INFO] [stderr] 39: 0x0 - [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 1.53.0-nightly (7b3565da7 2021-04-03) 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] [stderr] 10: 0x7f62147c47cd - rustc_driver::report_ice::hc702a08d9fb7377c [INFO] [stderr] 11: 0x7f62140060d0 - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:595:17 [INFO] [stderr] 12: 0x7f6214005ca7 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:497:13 [INFO] [stderr] 13: 0x7f621400226c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 14: 0x7f6214005c09 - rust_begin_unwind [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:493:5 [INFO] [stderr] 15: 0x7f6213fd1d9b - std::panicking::begin_panic_fmt::ha0ce415375ca426f [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:435:5 [INFO] [stderr] 16: 0x7f62169e34b3 - ::collect_tokens_trailing_token::LazyTokenStreamImpl as rustc_ast::tokenstream::CreateTokenStream>::create_token_stream::h0a555c248eee7264 [INFO] [stderr] 17: 0x7f62169ef43d - rustc_parse::prepend_attrs::h6b79b82084837b8d [INFO] [stderr] 18: 0x7f62169eef45 - rustc_parse::nt_to_tokenstream::h4292135cd3c8d6e7 [INFO] [stderr] 19: 0x7f621696c9df - ::expand::hdb283a47c71cf836 [INFO] [stderr] 20: 0x7f6215f5c6f8 - rustc_expand::expand::MacroExpander::fully_expand_fragment::hb8bae743ebd0192e [INFO] [stderr] 21: 0x7f6216970a93 - rustc_expand::expand::MacroExpander::expand_crate::hf9f489b9197a0063 [INFO] [stderr] 22: 0x7f6216273a11 - rustc_session::utils::::time::h3dc2dd296c4e6348 [INFO] [stderr] 23: 0x7f621627b13c - rustc_interface::passes::configure_and_expand_inner::h807e0813b33b80cc [INFO] [stderr] 24: 0x7f6216278c0f - rustc_interface::passes::configure_and_expand::{{closure}}::h99c0130e80c215c6 [INFO] [stderr] 25: 0x7f6216275228 - rustc_data_structures::box_region::PinnedGenerator::new::h5613640dee407b4a [INFO] [stderr] 26: 0x7f621627a5e8 - rustc_interface::passes::configure_and_expand::h2394b72fb41b007e [INFO] [stderr] 27: 0x7f62162855b2 - rustc_interface::queries::Queries::expansion::hd2fc4752b1f2c979 [INFO] [stderr] 28: 0x7f6216242673 - rustc_interface::queries::::enter::h022bc5d96316a497 [INFO] [stderr] 29: 0x7f62162417c4 - rustc_span::with_source_map::h71765ec8b8fd9951 [INFO] [stderr] 30: 0x7f6216243811 - rustc_interface::interface::create_compiler_and_run::hb7fa0da3b5c16631 [INFO] [stderr] 31: 0x7f621625d0c8 - scoped_tls::ScopedKey::set::he6d088ee8831445a [INFO] [stderr] 32: 0x7f621625d5e4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hab4e36ec9faa9780 [INFO] [stderr] 33: 0x7f6216260df5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h32361ced26b14e7a [INFO] [stderr] 34: 0x7f6214015fe3 - as core::ops::function::FnOnce>::call_once::h6bc35b6a67165211 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/alloc/src/boxed.rs:1546:9 [INFO] [stderr] 35: 0x7f6214015fe3 - as core::ops::function::FnOnce>::call_once::h22a1030555589216 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/alloc/src/boxed.rs:1546:9 [INFO] [stderr] 36: 0x7f6214015fe3 - std::sys::unix::thread::Thread::new::thread_start::h729365a01fb88184 [INFO] [stderr] at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stderr] 37: 0x7f6213f32609 - start_thread [INFO] [stderr] 38: 0x7f6213e46293 - clone [INFO] [stderr] 39: 0x0 - [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 1.53.0-nightly (7b3565da7 2021-04-03) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 [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" "662a965bede188255b375c7c51c116e114ab4d21f2c0332cacb5bf348102a6d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "662a965bede188255b375c7c51c116e114ab4d21f2c0332cacb5bf348102a6d1", kill_on_drop: false }` [INFO] [stdout] 662a965bede188255b375c7c51c116e114ab4d21f2c0332cacb5bf348102a6d1