[INFO] fetching crate steamguard 0.16.0...
[INFO] testing steamguard-0.16.0 against beta-2025-02-18 for beta-1.86-1
[INFO] extracting crate steamguard 0.16.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate steamguard 0.16.0 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate steamguard 0.16.0
[INFO] finished tweaking crates.io crate steamguard 0.16.0
[INFO] tweaked toml for crates.io crate steamguard 0.16.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate steamguard 0.16.0 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" "+beta-2025-02-18" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e059e9f10307d73c28d801850c8813a9d60af7923580e2c7228d879d2ecdb8d
[INFO] running `Command { std: "docker" "start" "-a" "4e059e9f10307d73c28d801850c8813a9d60af7923580e2c7228d879d2ecdb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e059e9f10307d73c28d801850c8813a9d60af7923580e2c7228d879d2ecdb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e059e9f10307d73c28d801850c8813a9d60af7923580e2c7228d879d2ecdb8d", kill_on_drop: false }`
[INFO] [stdout] 4e059e9f10307d73c28d801850c8813a9d60af7923580e2c7228d879d2ecdb8d
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8061d03efd4577e307ca1f6fcc97d98fbc5b93fd51e894a9f4bda3c81845f0e
[INFO] running `Command { std: "docker" "start" "-a" "d8061d03efd4577e307ca1f6fcc97d98fbc5b93fd51e894a9f4bda3c81845f0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling cc v1.1.7
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling indexmap v2.3.0
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling protobuf v3.7.1
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustls v0.23.12
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling publicsuffix v2.2.3
[INFO] [stderr]    Compiling webpki-roots v0.26.3
[INFO] [stderr]    Compiling oncemutex v0.1.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling rustls-webpki v0.102.6
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling hyper v1.4.1
[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-2025-02-18-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.72/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=7015a9fe1672bb5e -C extra-filename=-6fc9ed14a723400e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c3dd29a6287a876f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-06c0a3ebd054f571.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.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" "d8061d03efd4577e307ca1f6fcc97d98fbc5b93fd51e894a9f4bda3c81845f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8061d03efd4577e307ca1f6fcc97d98fbc5b93fd51e894a9f4bda3c81845f0e", kill_on_drop: false }`
[INFO] [stdout] d8061d03efd4577e307ca1f6fcc97d98fbc5b93fd51e894a9f4bda3c81845f0e