[INFO] fetching crate gen 0.1.31...
[INFO] checking gen-0.1.31 against try#b946edaa85de45f124065f52b1bc55ba2fb4f9fb for pr-157562
[INFO] extracting crate gen 0.1.31 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate gen 0.1.31
[INFO] finished tweaking crates.io crate gen 0.1.31
[INFO] tweaked toml for crates.io crate gen 0.1.31 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gen 0.1.31 on toolchain b946edaa85de45f124065f52b1bc55ba2fb4f9fb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b946edaa85de45f124065f52b1bc55ba2fb4f9fb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gen 0.1.31 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" "+b946edaa85de45f124065f52b1bc55ba2fb4f9fb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8b0fa98c90f7ee422fc66220fef29554e42032a785e84f83d8812c836046d92c
[INFO] running `Command { std: "docker" "start" "8b0fa98c90f7ee422fc66220fef29554e42032a785e84f83d8812c836046d92c", 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" "8b0fa98c90f7ee422fc66220fef29554e42032a785e84f83d8812c836046d92c" "/opt/rustwide/cargo-home/bin/cargo" "+b946edaa85de45f124065f52b1bc55ba2fb4f9fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0fa98c90f7ee422fc66220fef29554e42032a785e84f83d8812c836046d92c", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8b0fa98c90f7ee422fc66220fef29554e42032a785e84f83d8812c836046d92c" "/opt/rustwide/cargo-home/bin/cargo" "+b946edaa85de45f124065f52b1bc55ba2fb4f9fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking unicode-segmentation v1.13.2
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking zlib-rs v0.6.3
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking lexical-util v1.0.7
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling instability v0.3.12
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking unicode-truncate v2.0.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking lexical-parse-integer v1.0.6
[INFO] [stderr]     Checking lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking lexical-parse-float v1.0.6
[INFO] [stderr]     Checking lexical-write-float v1.0.6
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking lru v0.16.4
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling capnp v0.24.1
[INFO] [stderr]     Checking lexical-core v1.0.6
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]     Checking tokio v1.52.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking line-clipping v0.3.7
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking pure-rust-locales v0.8.2
[INFO] [stderr]     Checking uuid v1.23.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]    Compiling capnpc v0.24.1
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]    Compiling rusqlite_migration v1.3.1
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]     Checking intervaltree v0.2.7
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]     Checking noodles-core v0.18.0
[INFO] [stderr]     Checking include_dir v0.7.4
[INFO] [stderr]     Checking interavl v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking str_indices v0.4.4
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]     Checking heapless v0.8.0
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking webpki-roots v1.0.6
[INFO] [stderr]     Checking ropey v1.6.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]     Checking winnow v1.0.1
[INFO] [stderr]     Checking jiff v0.2.23
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking anpa v0.10.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling zstd-sys v2.0.16+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/b946edaa85de45f124065f52b1bc55ba2fb4f9fb/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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=38efe9c620ca8d0f -C extra-filename=-ae6c806947fc9697 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.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" "8b0fa98c90f7ee422fc66220fef29554e42032a785e84f83d8812c836046d92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0fa98c90f7ee422fc66220fef29554e42032a785e84f83d8812c836046d92c", kill_on_drop: false }`
[INFO] [stdout] 8b0fa98c90f7ee422fc66220fef29554e42032a785e84f83d8812c836046d92c
