[INFO] fetching crate perbase 1.4.0...
[INFO] documenting perbase-1.4.0 against 1.98.0-beta.1 for beta-rustdoc-1.98-1
[INFO] extracting crate perbase 1.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate perbase 1.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate perbase 1.4.0
[INFO] tweaked toml for crates.io crate perbase 1.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate perbase 1.4.0 on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate perbase 1.4.0 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" "+1.98.0-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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba
[INFO] running `Command { std: "docker" "start" "459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba", 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" "459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba", 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" "459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]     Checking ordered-float v5.1.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking editdistancek v1.0.2
[INFO] [stderr]     Checking triple_accel v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bytes v1.11.0
[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/1.98.0-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-2.0.111/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=bbfc05483e7e445a -C extra-filename=-71218cae56924d37 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4bf3bfe6547a3e4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f5dbb0604dbb422c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3a00dd35274e822e.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" "459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba", kill_on_drop: false }`
[INFO] [stdout] 459223c4e1fa3f8a5720d60c0d08a6352af74563f62cddb01bce06eed4bf47ba
