[INFO] fetching crate swh-digestmap 0.1.4...
[INFO] testing swh-digestmap-0.1.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate swh-digestmap 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate swh-digestmap 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate swh-digestmap 0.1.4
[INFO] tweaked toml for crates.io crate swh-digestmap 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swh-digestmap 0.1.4 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swh-digestmap 0.1.4 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47d38563352856095b779f64e957c7317ec46908169d90757bf3efd2ecb7ec1a
[INFO] running `Command { std: "docker" "start" "-a" "47d38563352856095b779f64e957c7317ec46908169d90757bf3efd2ecb7ec1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d38563352856095b779f64e957c7317ec46908169d90757bf3efd2ecb7ec1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d38563352856095b779f64e957c7317ec46908169d90757bf3efd2ecb7ec1a", kill_on_drop: false }`
[INFO] [stdout] 47d38563352856095b779f64e957c7317ec46908169d90757bf3efd2ecb7ec1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f6821f263ac9708db1b57805fb60f125e551b4b96aa7122db849a77741081fa
[INFO] running `Command { std: "docker" "start" "-a" "0f6821f263ac9708db1b57805fb60f125e551b4b96aa7122db849a77741081fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling impl-tools v0.10.3
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling lambert_w v1.2.25
[INFO] [stderr]    Compiling maligned v0.2.1
[INFO] [stderr]    Compiling epserde v0.8.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling combine v4.6.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling stable_try_trait_v2 v1.75.1
[INFO] [stderr]    Compiling arbitrary-chunks v0.4.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling partition v0.1.2
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling faster-hex v0.10.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling rdst v0.20.14
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling sysinfo v0.35.2
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling thread-priority v2.1.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[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-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="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=30be2e8286c3aceb -C extra-filename=-fb25a202aa7d341d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb0d1e7c02b2e358.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-81eeaedcf172d3e9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.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" "0f6821f263ac9708db1b57805fb60f125e551b4b96aa7122db849a77741081fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6821f263ac9708db1b57805fb60f125e551b4b96aa7122db849a77741081fa", kill_on_drop: false }`
[INFO] [stdout] 0f6821f263ac9708db1b57805fb60f125e551b4b96aa7122db849a77741081fa
