[INFO] cloning repository https://github.com/hasali19/rusty-java [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hasali19/rusty-java" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasali19%2Frusty-java", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasali19%2Frusty-java'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 60302123d8ddf3e881de6d8c4148c38605ac3e2a [INFO] testing hasali19/rusty-java 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%2Fhasali19%2Frusty-java" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/hasali19/rusty-java [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/hasali19/rusty-java [INFO] tweaked toml for git repo https://github.com/hasali19/rusty-java written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hasali19/rusty-java 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/hasali19/rusty-java 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 16b1ff9b3ff1dfa4a082bb6dd068ad700d34dde750058ca6b8cc321872ebf1b6 [INFO] running `Command { std: "docker" "start" "-a" "16b1ff9b3ff1dfa4a082bb6dd068ad700d34dde750058ca6b8cc321872ebf1b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16b1ff9b3ff1dfa4a082bb6dd068ad700d34dde750058ca6b8cc321872ebf1b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16b1ff9b3ff1dfa4a082bb6dd068ad700d34dde750058ca6b8cc321872ebf1b6", kill_on_drop: false }` [INFO] [stdout] 16b1ff9b3ff1dfa4a082bb6dd068ad700d34dde750058ca6b8cc321872ebf1b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 107717378dcf9aa196f32d9124d4bc48f24eafb05e8d010d00e55400d272c2f7 [INFO] running `Command { std: "docker" "start" "-a" "107717378dcf9aa196f32d9124d4bc48f24eafb05e8d010d00e55400d272c2f7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling cc v1.1.7 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling anstyle-parse v0.2.5 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling thread_local v1.1.8 [INFO] [stderr] Compiling anstyle v1.0.8 [INFO] [stderr] Compiling anstyle-query v1.1.1 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.1 [INFO] [stderr] Compiling gimli v0.28.1 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Compiling colorchoice v1.0.2 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling tracing-subscriber v0.3.18 [INFO] [stderr] Compiling anstream v0.6.15 [INFO] [stderr] Compiling object v0.32.2 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling miniz_oxide v0.7.4 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling bytes v1.7.1 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling owo-colors v3.5.0 [INFO] [stderr] Compiling indenter v0.3.3 [INFO] [stderr] Compiling clap_lex v0.7.2 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling clap_builder v4.5.13 [INFO] [stderr] Compiling combine v4.6.7 [INFO] [stderr] Compiling tracing-error v0.2.0 [INFO] [stderr] Compiling color-spantrace v0.2.1 [INFO] [stderr] Compiling java-locator v0.1.7 [INFO] [stderr] Compiling addr2line v0.21.0 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling allocator-api2 v0.2.18 [INFO] [stderr] Compiling jni-sys v0.3.0 [INFO] [stderr] Compiling cesu8 v1.1.0 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling winnow v0.6.18 [INFO] [stderr] Compiling bumpalo v3.16.0 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling color-eyre v0.6.3 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Compiling clap v4.5.13 [INFO] [stderr] Compiling strum v0.26.3 [INFO] [stderr] Compiling jni v0.21.1 [INFO] [stderr] Compiling jdk-tools v0.1.0 (/opt/rustwide/workdir/jdk-tools) [INFO] [stderr] Compiling rusty-java v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(macro_metavar_expr)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty-java` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "107717378dcf9aa196f32d9124d4bc48f24eafb05e8d010d00e55400d272c2f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "107717378dcf9aa196f32d9124d4bc48f24eafb05e8d010d00e55400d272c2f7", kill_on_drop: false }` [INFO] [stdout] 107717378dcf9aa196f32d9124d4bc48f24eafb05e8d010d00e55400d272c2f7