[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 master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fcopper" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lolgeny/copper on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-12/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cde16bc01437e97b1a52220c410675d1bb77869214f367247fb194ce0ed966a4 [INFO] running `Command { std: "docker" "start" "-a" "cde16bc01437e97b1a52220c410675d1bb77869214f367247fb194ce0ed966a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cde16bc01437e97b1a52220c410675d1bb77869214f367247fb194ce0ed966a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cde16bc01437e97b1a52220c410675d1bb77869214f367247fb194ce0ed966a4", kill_on_drop: false }` [INFO] [stdout] cde16bc01437e97b1a52220c410675d1bb77869214f367247fb194ce0ed966a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 893d8ec0be284d85a5e70bda0599c0d887b76a1cc906f2dd3d59abb75aaf80fd [INFO] running `Command { std: "docker" "start" "-a" "893d8ec0be284d85a5e70bda0599c0d887b76a1cc906f2dd3d59abb75aaf80fd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling ryu v1.0.5 [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] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking serde v1.0.123 [INFO] [stderr] Checking 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] [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-a9ddb7e0bc598029/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-a9ddb7e0bc598029/out/blocks.rs:5:5: 5:17 (#0) }), Alone), (Token(Token { kind: Ident("minecraft", false), span: /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/out/blocks.rs:6:1: 6:10 (#0) }), Joint)] } stack=[FrameData { open: no-location (#0), open_delim: NoDelim, inner: [(Token(Token { kind: Ident("pub", false), span: /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/out/blocks.rs:4:1: 4:4 (#0) }), Alone), (Token(Token { kind: Ident("enum", false), span: /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/out/blocks.rs:4:5: 4:9 (#0) }), Alone), (Token(Token { kind: Ident("Block", false), span: /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/out/blocks.rs:4:10: 4:15 (#0) }), Alone)] }]', compiler/rustc_parse/src/parser/attr_wrapper.rs:501:5 [INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `minecraft` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/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] [stderr] stack backtrace: [INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `:` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/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-a9ddb7e0bc598029/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-a9ddb7e0bc598029/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-a9ddb7e0bc598029/out/blocks.rs:5:5: 5:17 (#0) }), Alone), (Token(Token { kind: Ident("minecraft", false), span: /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/out/blocks.rs:6:1: 6:10 (#0) }), Joint)] } stack=[FrameData { open: no-location (#0), open_delim: NoDelim, inner: [(Token(Token { kind: Ident("pub", false), span: /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/out/blocks.rs:4:1: 4:4 (#0) }), Alone), (Token(Token { kind: Ident("enum", false), span: /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/out/blocks.rs:4:5: 4:9 (#0) }), Alone), (Token(Token { kind: Ident("Block", false), span: /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/out/blocks.rs:4:10: 4:15 (#0) }), Alone)] }]', compiler/rustc_parse/src/parser/attr_wrapper.rs:501:5 [INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `minecraft` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/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] [stderr] stack backtrace: [INFO] [stdout] error: expected one of `(`, `,`, `=`, `{`, or `}`, found `:` [INFO] [stdout] --> /opt/rustwide/target/debug/build/copper-a9ddb7e0bc598029/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-a9ddb7e0bc598029/out/blocks.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | minecraft:acaciaDoor [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x7f4384a069b0 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7f4384a069b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f4384a069b0 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f4384a069b0 - ::fmt::h7d41ae04358c516d [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 0: 0x7f61206539b0 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7f61206539b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f61206539b0 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591 [INFO] [stderr] 4: 0x7f4384a745fc - core::fmt::write::h968e6400cbc51d6a [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x7f43849f8125 - std::io::Write::write_fmt::h2eaa97c6f8c9e829 [INFO] [stderr] 3: 0x7f61206539b0 - ::fmt::h7d41ae04358c516d [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/io/mod.rs:1642:15 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 6: 0x7f4384a0a7fb - std::sys_common::backtrace::_print::h601a6bc581f240d5 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f4384a0a7fb - std::sys_common::backtrace::print::h8b96e15ba64b8e64 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f4384a0a7fb - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 4: 0x7f61206c15fc - core::fmt::write::h968e6400cbc51d6a [INFO] [stderr] 9: 0x7f4384a0a2d1 - std::panicking::default_hook::h6d463f5a2e9d9986 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 5: 0x7f6120645125 - std::io::Write::write_fmt::h2eaa97c6f8c9e829 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/io/mod.rs:1642:15 [INFO] [stderr] 6: 0x7f61206577fb - std::sys_common::backtrace::_print::h601a6bc581f240d5 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f61206577fb - std::sys_common::backtrace::print::h8b96e15ba64b8e64 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f61206577fb - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f61206572d1 - std::panicking::default_hook::h6d463f5a2e9d9986 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7f43851de351 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::h533877b0b4a03724 [INFO] [stderr] 11: 0x7f4384a0b029 - std::panicking::rust_panic_with_hook::h1e953652a338573e [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:626:17 [INFO] [stderr] 12: 0x7f4384a0aae7 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:519:13 [INFO] [stderr] 13: 0x7f4384a06eac - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 14: 0x7f4384a0aa49 - rust_begin_unwind [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:515:5 [INFO] [stderr] 15: 0x7f43849d345b - std::panicking::begin_panic_fmt::hce1b46bb3d49d05a [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:457:5 [INFO] [stderr] 16: 0x7f4386a9d6f1 - ::create_token_stream::h88b56ba19aa13ea2 [INFO] [stderr] 17: 0x7f43876238d9 - core::ops::function::impls:: for &mut F>::call_once::h6991fe0505e2f90a [INFO] [stderr] 18: 0x7f4386c75163 - as core::iter::traits::iterator::Iterator>::next::h41c03ff471d77a7f [INFO] [stderr] 19: 0x7f4386c76497 - as alloc::vec::spec_from_iter::SpecFromIter>::from_iter::h892c4fd2bba7490d [INFO] [stderr] 20: 0x7f43876243e8 - rustc_ast::tokenstream::AttrAnnotatedTokenStream::to_tokenstream::h82e32e944c8f44c7 [INFO] [stderr] 21: 0x7f4387418fb3 - rustc_parse::prepend_attrs::h27b9d6ec3fe871fb [INFO] [stderr] 22: 0x7f4387418534 - rustc_parse::nt_to_tokenstream::h8bce8a1be1d54185 [INFO] [stderr] 23: 0x7f438739e719 - ::expand::h8b064cc1a98a1a95 [INFO] [stderr] 24: 0x7f43869a4974 - rustc_expand::expand::MacroExpander::fully_expand_fragment::h84a17e4ca203cff0 [INFO] [stderr] 25: 0x7f43873a121b - rustc_expand::expand::MacroExpander::expand_crate::h255e9ed58d9855f8 [INFO] [stderr] 26: 0x7f4386cf5800 - rustc_session::utils::::time::hafb09822891ecb04 [INFO] [stderr] 27: 0x7f4386cd05cc - rustc_interface::passes::configure_and_expand::hed962980d3243f8d [INFO] [stderr] 28: 0x7f4386ccbe68 - rustc_interface::queries::Queries::expansion::h41ee8d3ec412f431 [INFO] [stderr] 10: 0x7f6120e2b351 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::h533877b0b4a03724 [INFO] [stderr] 11: 0x7f6120658029 - std::panicking::rust_panic_with_hook::h1e953652a338573e [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:626:17 [INFO] [stderr] 29: 0x7f4386caae74 - rustc_interface::queries::::enter::h1f46da93c08cd528 [INFO] [stderr] 30: 0x7f4386c9b62c - rustc_span::with_source_map::h4ac82bd506bf6d8d [INFO] [stderr] 31: 0x7f4386cac03a - rustc_interface::interface::create_compiler_and_run::h8f930e76f96aa31c [INFO] [stderr] 32: 0x7f4386c9f0a9 - scoped_tls::ScopedKey::set::h68594502274ff92b [INFO] [stderr] 33: 0x7f4386c9be0a - std::sys_common::backtrace::__rust_begin_short_backtrace::hc4b2d78375a3a635 [INFO] [stderr] 34: 0x7f4386c9a2a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf4ee8bab9cb45b09 [INFO] [stderr] 35: 0x7f4384a17747 - as core::ops::function::FnOnce>::call_once::h412fa2ab3f64d2a1 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 36: 0x7f4384a17747 - as core::ops::function::FnOnce>::call_once::h03e575a07095ff99 [INFO] [stderr] 12: 0x7f6120657ae7 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:519:13 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 37: 0x7f4384a17747 - std::sys::unix::thread::Thread::new::thread_start::hf6d2591b9ad70cfb [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys/unix/thread.rs:72:17 [INFO] [stderr] 38: 0x7f4384933609 - start_thread [INFO] [stderr] 39: 0x7f4384847293 - clone [INFO] [stderr] 40: 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 1.55.0-nightly (90442458a 2021-07-04) 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] [stderr] 13: 0x7f6120653eac - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2 [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 14: 0x7f6120657a49 - rust_begin_unwind [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:515:5 [INFO] [stderr] 15: 0x7f612062045b - std::panicking::begin_panic_fmt::hce1b46bb3d49d05a [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:457:5 [INFO] [stderr] 16: 0x7f61226ea6f1 - ::create_token_stream::h88b56ba19aa13ea2 [INFO] [stderr] 17: 0x7f61232708d9 - core::ops::function::impls:: for &mut F>::call_once::h6991fe0505e2f90a [INFO] [stderr] 18: 0x7f61228c2163 - as core::iter::traits::iterator::Iterator>::next::h41c03ff471d77a7f [INFO] [stderr] 19: 0x7f61228c3497 - as alloc::vec::spec_from_iter::SpecFromIter>::from_iter::h892c4fd2bba7490d [INFO] [stderr] 20: 0x7f61232713e8 - rustc_ast::tokenstream::AttrAnnotatedTokenStream::to_tokenstream::h82e32e944c8f44c7 [INFO] [stderr] 21: 0x7f6123065fb3 - rustc_parse::prepend_attrs::h27b9d6ec3fe871fb [INFO] [stderr] 22: 0x7f6123065534 - rustc_parse::nt_to_tokenstream::h8bce8a1be1d54185 [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 23: 0x7f6122feb719 - ::expand::h8b064cc1a98a1a95 [INFO] [stderr] 24: 0x7f61225f1974 - rustc_expand::expand::MacroExpander::fully_expand_fragment::h84a17e4ca203cff0 [INFO] [stderr] 25: 0x7f6122fee21b - rustc_expand::expand::MacroExpander::expand_crate::h255e9ed58d9855f8 [INFO] [stderr] 26: 0x7f6122942800 - rustc_session::utils::::time::hafb09822891ecb04 [INFO] [stderr] 27: 0x7f612291d5cc - rustc_interface::passes::configure_and_expand::hed962980d3243f8d [INFO] [stderr] 28: 0x7f6122918e68 - rustc_interface::queries::Queries::expansion::h41ee8d3ec412f431 [INFO] [stderr] 29: 0x7f61228f7e74 - rustc_interface::queries::::enter::h1f46da93c08cd528 [INFO] [stderr] 30: 0x7f61228e862c - rustc_span::with_source_map::h4ac82bd506bf6d8d [INFO] [stderr] 31: 0x7f61228f903a - rustc_interface::interface::create_compiler_and_run::h8f930e76f96aa31c [INFO] [stderr] 32: 0x7f61228ec0a9 - scoped_tls::ScopedKey::set::h68594502274ff92b [INFO] [stderr] 33: 0x7f61228e8e0a - std::sys_common::backtrace::__rust_begin_short_backtrace::hc4b2d78375a3a635 [INFO] [stderr] 34: 0x7f61228e72a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf4ee8bab9cb45b09 [INFO] [stderr] 35: 0x7f6120664747 - as core::ops::function::FnOnce>::call_once::h412fa2ab3f64d2a1 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 36: 0x7f6120664747 - as core::ops::function::FnOnce>::call_once::h03e575a07095ff99 [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 37: 0x7f6120664747 - std::sys::unix::thread::Thread::new::thread_start::hf6d2591b9ad70cfb [INFO] [stderr] at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys/unix/thread.rs:72:17 [INFO] [stderr] 38: 0x7f6120580609 - start_thread [INFO] [stderr] 39: 0x7f6120494293 - clone [INFO] [stderr] 40: 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 1.55.0-nightly (90442458a 2021-07-04) 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] 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" "893d8ec0be284d85a5e70bda0599c0d887b76a1cc906f2dd3d59abb75aaf80fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "893d8ec0be284d85a5e70bda0599c0d887b76a1cc906f2dd3d59abb75aaf80fd", kill_on_drop: false }` [INFO] [stdout] 893d8ec0be284d85a5e70bda0599c0d887b76a1cc906f2dd3d59abb75aaf80fd