[INFO] cloning repository https://github.com/macmv/mc-lsp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/macmv/mc-lsp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacmv%2Fmc-lsp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacmv%2Fmc-lsp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 668d6aeb24a9bf52b29a0befcd4c923b5b8c2cf0
[INFO] testing macmv/mc-lsp against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacmv%2Fmc-lsp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/macmv/mc-lsp
[INFO] finished tweaking git repo https://github.com/macmv/mc-lsp
[INFO] tweaked toml for git repo https://github.com/macmv/mc-lsp written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/macmv/mc-lsp on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/macmv/mc-lsp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78e0eecbee21af46a5c1747bc230328f764a8daba80bdf013fd954d460f6166a
[INFO] running `Command { std: "docker" "start" "-a" "78e0eecbee21af46a5c1747bc230328f764a8daba80bdf013fd954d460f6166a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e0eecbee21af46a5c1747bc230328f764a8daba80bdf013fd954d460f6166a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e0eecbee21af46a5c1747bc230328f764a8daba80bdf013fd954d460f6166a", kill_on_drop: false }`
[INFO] [stdout] 78e0eecbee21af46a5c1747bc230328f764a8daba80bdf013fd954d460f6166a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cf5b7827f5aae026edfba28261a13514a426fc5c955ee525f318a6fc1c6a778
[INFO] running `Command { std: "docker" "start" "-a" "7cf5b7827f5aae026edfba28261a13514a426fc5c955ee525f318a6fc1c6a778", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling xshell-macros v0.2.7
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling xshell v0.2.7
[INFO] [stderr]    Compiling ungrammar v1.16.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.99
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling text-size v1.1.1
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.2.3
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling rowan v0.15.16
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.99
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling mc-build v0.1.0 (/opt/rustwide/workdir/mc-build)
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling la-arena v0.3.1
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling thiserror v2.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling bytemuck v1.20.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling safe_arch v0.7.2
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling mc-parser v0.1.0 (/opt/rustwide/workdir/mc-parser)
[INFO] [stderr]    Compiling mc-syntax v0.1.0 (/opt/rustwide/workdir/mc-syntax)
[INFO] [stderr] error: failed to run custom build command for `mc-parser v0.1.0 (/opt/rustwide/workdir/mc-parser)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mc-parser-896f5b1e1ce7b0b2/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: toolchain 'nightly-x86_64-unknown-linux-gnu' is not installed
[INFO] [stderr]   help: run `rustup toolchain install nightly-x86_64-unknown-linux-gnu` to install it
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1061) panicked at mc-build/src/sourcegen.rs:19:5:
[INFO] [stderr]   Failed to run rustfmt from toolchain 'nightly'.Please run `rustup component add rustfmt --toolchain nightly` to install it.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c2c58f9cc5a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c2c58f9cc5a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c2c58f9cc5a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5c2c58f9cc5a - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5c2c58fae6ca - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5c2c58fae6ca - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x5c2c58fa0fd2 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x5c2c58fa0fd2 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5c2c58f7e53f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5c2c58f7e53f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5c2c58f975d1 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5c2c58f9784b - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5c2c58f7e62a - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x5c2c58f735d9 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5c2c58f7ef5d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5c2c58faee8c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5c2c58f0818c - mc_build::sourcegen::ensure_rustfmt::h7aad35cd9a27d31e
[INFO] [stderr]                                  at /opt/rustwide/workdir/mc-build/src/sourcegen.rs:19:5
[INFO] [stderr]     17:     0x5c2c58f08756 - mc_build::sourcegen::reformat::ha024ee5dbe01617f
[INFO] [stderr]                                  at /opt/rustwide/workdir/mc-build/src/sourcegen.rs:28:3
[INFO] [stderr]     18:     0x5c2c58f00f00 - mc_build::sourcegen_ast::generate_syntax_kinds::he290a20f6722f71d
[INFO] [stderr]                                  at /opt/rustwide/workdir/mc-build/src/sourcegen_ast.rs:409:44
[INFO] [stderr]     19:     0x5c2c58efde1a - mc_build::sourcegen_ast::sourcegen_kinds::hbf5cbfeb49980469
[INFO] [stderr]                                  at /opt/rustwide/workdir/mc-build/src/sourcegen_ast.rs:25:22
[INFO] [stderr]     20:     0x5c2c58efae26 - mc_build::build_parser::h69905470f3aa933c
[INFO] [stderr]                                  at /opt/rustwide/workdir/mc-build/src/lib.rs:5:25
[INFO] [stderr]     21:     0x5c2c58ef7237 - build_script_build::main::h29a54393de16db20
[INFO] [stderr]     22:     0x5c2c58ef72b3 - core::ops::function::FnOnce::call_once::h7860e3502c252883
[INFO] [stderr]     23:     0x5c2c58ef7296 - std::sys::backtrace::__rust_begin_short_backtrace::hbbf12c1423d5a1b8
[INFO] [stderr]     24:     0x5c2c58ef7279 - std::rt::lang_start::{{closure}}::h99c89282ed1a403e
[INFO] [stderr]     25:     0x5c2c58f96864 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     26:     0x5c2c58f96864 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5c2c58f96864 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5c2c58f96864 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5c2c58f96864 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     30:     0x5c2c58f96864 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     31:     0x5c2c58f96864 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     32:     0x5c2c58f96864 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     33:     0x5c2c58f96864 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     34:     0x5c2c58ef7261 - std::rt::lang_start::h40184068dd7c2f7d
[INFO] [stderr]     35:     0x5c2c58ef7325 - main
[INFO] [stderr]     36:     0x7e32545311ca - <unknown>
[INFO] [stderr]     37:     0x7e325453128b - __libc_start_main
[INFO] [stderr]     38:     0x5c2c58ef7165 - _start
[INFO] [stderr]     39:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7cf5b7827f5aae026edfba28261a13514a426fc5c955ee525f318a6fc1c6a778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf5b7827f5aae026edfba28261a13514a426fc5c955ee525f318a6fc1c6a778", kill_on_drop: false }`
[INFO] [stdout] 7cf5b7827f5aae026edfba28261a13514a426fc5c955ee525f318a6fc1c6a778
