[INFO] fetching crate wolfpack 0.3.1...
[INFO] documenting wolfpack-0.3.1 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate wolfpack 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate wolfpack 0.3.1
[INFO] finished tweaking crates.io crate wolfpack 0.3.1
[INFO] tweaked toml for crates.io crate wolfpack 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolfpack 0.3.1 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wolfpack 0.3.1 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f45e6fbfd80d5a15981d997c23d33a1e908717c562f1ddc075cfa35a8ac96185
[INFO] running `Command { std: "docker" "start" "-a" "f45e6fbfd80d5a15981d997c23d33a1e908717c562f1ddc075cfa35a8ac96185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f45e6fbfd80d5a15981d997c23d33a1e908717c562f1ddc075cfa35a8ac96185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45e6fbfd80d5a15981d997c23d33a1e908717c562f1ddc075cfa35a8ac96185", kill_on_drop: false }`
[INFO] [stdout] f45e6fbfd80d5a15981d997c23d33a1e908717c562f1ddc075cfa35a8ac96185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b2730b7085366eec44f0eb2e6ce05fda6b26481b67710666d9a912415c061ad
[INFO] running `Command { std: "docker" "start" "-a" "3b2730b7085366eec44f0eb2e6ce05fda6b26481b67710666d9a912415c061ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking base64ct v1.8.3
[INFO] [stderr]     Checking flagset v0.4.7
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling aws-lc-rs v1.15.4
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling icu_properties_data v2.0.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling openssl-src v300.5.0+3.5.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling rustls v0.23.27
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking ownedbytes v0.9.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling aws-lc-sys v0.37.0
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling openssl-sys v0.9.108
[INFO] [stderr]    Compiling liblzma-sys v0.4.5
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]     Checking chrono v0.4.43
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling toml_edit v0.22.26
[INFO] [stderr]     Checking flate2 v1.1.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.36.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking bitpacking v0.9.2
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking libbz2-rs-sys v0.2.2
[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking tantivy-bitpacker v0.9.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking tantivy-fst v0.5.0
[INFO] [stderr]     Checking bzip2 v0.6.1
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]    Compiling fs-err v3.2.2
[INFO] [stderr]     Checking normalize-path v0.2.1
[INFO] [stderr]     Checking murmurhash32 v0.3.1
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling crc24 v0.1.6
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking hex-conservative v0.2.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking hashlink v0.11.0
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]     Checking fastdivide v0.4.2
[INFO] [stderr]    Compiling rusqlite_migration v2.4.0
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking jiff v0.2.13
[INFO] [stderr]     Checking downcast-rs v2.0.1
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking zopfli v0.8.2
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking console v0.16.2
[INFO] [stderr]     Checking bitcoin_hashes v0.14.0
[INFO] [stderr]     Checking minify_sql v0.1.7
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking fs4 v0.13.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking buffer-redux v1.0.2
[INFO] [stderr]     Checking measure_time v0.9.0
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking iter-read v1.1.0
[INFO] [stderr]     Checking constant_time_eq v0.4.2
[INFO] [stderr]     Checking levenshtein_automata v0.2.1
[INFO] [stderr]     Checking oneshot v0.1.11
[INFO] [stderr]     Checking unit-prefix v0.5.2
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking census v0.4.2
[INFO] [stderr]     Checking bitfield v0.17.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[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/a394c9cd9ec93787f09a7ac445b14cc674a94549/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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=c51459d25d6af716 -C extra-filename=-34de2adc63abfe19 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d8665169c487d19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7b6b9a800f979170.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3b2730b7085366eec44f0eb2e6ce05fda6b26481b67710666d9a912415c061ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2730b7085366eec44f0eb2e6ce05fda6b26481b67710666d9a912415c061ad", kill_on_drop: false }`
[INFO] [stdout] 3b2730b7085366eec44f0eb2e6ce05fda6b26481b67710666d9a912415c061ad