[INFO] fetching crate r2x 0.1.15...
[INFO] testing r2x-0.1.15 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate r2x 0.1.15 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate r2x 0.1.15
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate r2x 0.1.15
[INFO] tweaked toml for crates.io crate r2x 0.1.15 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r2x 0.1.15 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate r2x 0.1.15 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e
[INFO] running `Command { std: "docker" "start" "f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.129
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling aws-lc-rs v1.13.3
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling zeroize v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling r2x-build-support v0.1.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.8.59
[INFO] [stderr]    Compiling bumpalo v3.20.3
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling portable-atomic v1.15.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.129
[INFO] [stderr]    Compiling toml_writer v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]    Compiling r2x-config v0.1.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling unit-prefix v0.5.2
[INFO] [stderr]    Compiling rustls-native-certs v0.8.4
[INFO] [stderr]    Compiling cc v1.0.106
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling bstr v1.13.1
[INFO] [stderr]    Compiling mio v1.2.3
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling cmake v0.1.53
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling pyo3-ffi v0.27.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling console v0.16.6
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]    Compiling which v8.0.6
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling camino v1.2.6
[INFO] [stderr]    Compiling tree-sitter v0.21.0
[INFO] [stderr]    Compiling aws-lc-sys v0.30.0
[INFO] [stderr]    Compiling tree-sitter-bash v0.21.0
[INFO] [stderr]    Compiling tree-sitter-c v0.21.4
[INFO] [stderr]    Compiling tree-sitter-c-sharp v0.21.3
[INFO] [stderr]    Compiling tree-sitter-cpp v0.22.3
[INFO] [stderr]    Compiling tree-sitter-css v0.21.1
[INFO] [stderr]    Compiling tree-sitter-dart v0.0.4
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling tree-sitter-elixir v0.2.0
[INFO] [stderr]    Compiling tree-sitter-go v0.21.2
[INFO] [stderr]    Compiling indicatif v0.18.6
[INFO] [stderr]    Compiling tree-sitter-haskell v0.21.0
[INFO] [stderr]    Compiling tree-sitter-html v0.20.4
[INFO] [stderr]    Compiling tree-sitter-java v0.21.0
[INFO] [stderr]    Compiling tree-sitter-javascript-sg v0.21.2
[INFO] [stderr]    Compiling tree-sitter-json v0.21.0
[INFO] [stderr]    Compiling tree-sitter-kotlin v0.3.8
[INFO] [stderr]    Compiling toml v0.9.12+spec-1.1.0
[INFO] [stderr]    Compiling tree-sitter-lua v0.1.0
[INFO] [stderr]    Compiling tree-sitter-php v0.22.8
[INFO] [stderr]    Compiling tree-sitter-python v0.21.0
[INFO] [stderr]    Compiling tree-sitter-ruby v0.21.0
[INFO] [stderr]    Compiling tree-sitter-rust v0.21.2
[INFO] [stderr]    Compiling tree-sitter-scala v0.21.0
[INFO] [stderr]    Compiling tree-sitter-swift v0.4.2
[INFO] [stderr]    Compiling tree-sitter-typescript v0.21.2
[INFO] [stderr]    Compiling pxfm v0.1.30
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling r2x-python v0.1.11
[INFO] [stderr]    Compiling bytemuck v1.25.2
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --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=384ed2b61f49a7a6 -C extra-filename=-8ec0089c1ed6755c --out-dir /opt/rustwide/target/release/build/syn/8ec0089c1ed6755c/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out/libproc_macro2-568395be76da8392.rmeta --extern quote=/opt/rustwide/target/release/build/quote/8c6c51122be409c2/out/libquote-8c6c51122be409c2.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out/libunicode_ident-252fc9bf0a40533c.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=bb6c102289b11962 -C extra-filename=-03f401d2ab48b04d --out-dir /opt/rustwide/target/release/build/syn/03f401d2ab48b04d/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out/libproc_macro2-568395be76da8392.rmeta --extern quote=/opt/rustwide/target/release/build/quote/8c6c51122be409c2/out/libquote-8c6c51122be409c2.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out/libunicode_ident-252fc9bf0a40533c.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e", kill_on_drop: false }`
[INFO] [stdout] f6d7b807b4d080e069815e624148c80555d4fa330b16ec66a4d83a2e7d506a6e
