[INFO] fetching crate rama-cli 0.3.0-alpha.4...
[INFO] testing rama-cli-0.3.0-alpha.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rama-cli 0.3.0-alpha.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rama-cli 0.3.0-alpha.4
[INFO] finished tweaking crates.io crate rama-cli 0.3.0-alpha.4
[INFO] tweaked toml for crates.io crate rama-cli 0.3.0-alpha.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rama-cli 0.3.0-alpha.4 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 crates.io crate rama-cli 0.3.0-alpha.4 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f0b968a62f5847ba0ce69703ae5139e3eb6b2cbd7ec7e7ebc4f11157037a064c
[INFO] running `Command { std: "docker" "start" "-a" "f0b968a62f5847ba0ce69703ae5139e3eb6b2cbd7ec7e7ebc4f11157037a064c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b968a62f5847ba0ce69703ae5139e3eb6b2cbd7ec7e7ebc4f11157037a064c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b968a62f5847ba0ce69703ae5139e3eb6b2cbd7ec7e7ebc4f11157037a064c", kill_on_drop: false }`
[INFO] [stdout] f0b968a62f5847ba0ce69703ae5139e3eb6b2cbd7ec7e7ebc4f11157037a064c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fc28c403c72deefe35464c21430a5e50384dae2cbb1ed6df127b9b0f902f3486
[INFO] running `Command { std: "docker" "start" "-a" "fc28c403c72deefe35464c21430a5e50384dae2cbb1ed6df127b9b0f902f3486", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling zmij v1.0.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling smol_str v0.3.4
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling asynk-strim v0.1.5
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling rama-error v0.3.0-alpha.4
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.31.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling endian-type v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling psl v2.1.174
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling flume v0.12.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling md5 v0.8.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling uuid v1.19.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling rama-http-headers v0.3.0-alpha.4
[INFO] [stderr]    Compiling compression-core v0.4.31
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling fslock v0.2.1
[INFO] [stderr]    Compiling rawzip v0.4.3
[INFO] [stderr]    Compiling iri-string v0.7.9
[INFO] [stderr]    Compiling matchit v0.9.1
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling serde_html_form v0.3.2
[INFO] [stderr]    Compiling aws-lc-rs v1.15.2
[INFO] [stderr]    Compiling oid-registry v0.8.1
[INFO] [stderr]    Compiling resolv-conf v0.7.6
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=4f62def5e5c0d62d -C extra-filename=-f30fa1d28f7e7b0e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c593704b78b80ae5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-97e4a03796cede97.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-78d3da9d81f84e3e.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fc28c403c72deefe35464c21430a5e50384dae2cbb1ed6df127b9b0f902f3486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc28c403c72deefe35464c21430a5e50384dae2cbb1ed6df127b9b0f902f3486", kill_on_drop: false }`
[INFO] [stdout] fc28c403c72deefe35464c21430a5e50384dae2cbb1ed6df127b9b0f902f3486
