[INFO] cloning repository https://github.com/grass-dev-pa/stacks-core-035
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grass-dev-pa/stacks-core-035" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrass-dev-pa%2Fstacks-core-035", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrass-dev-pa%2Fstacks-core-035'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 145628d5b65308863a4d7a0ec9d136f77746262e
[INFO] testing grass-dev-pa/stacks-core-035 against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrass-dev-pa%2Fstacks-core-035" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/grass-dev-pa/stacks-core-035
[INFO] finished tweaking git repo https://github.com/grass-dev-pa/stacks-core-035
[INFO] tweaked toml for git repo https://github.com/grass-dev-pa/stacks-core-035 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/grass-dev-pa/stacks-core-035 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/grass-dev-pa/stacks-core-035 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6deb3f9615aa680f2e3ccc93e88f0de91dcb6d8ce2e9df4b4fc751440c89f831
[INFO] running `Command { std: "docker" "start" "-a" "6deb3f9615aa680f2e3ccc93e88f0de91dcb6d8ce2e9df4b4fc751440c89f831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6deb3f9615aa680f2e3ccc93e88f0de91dcb6d8ce2e9df4b4fc751440c89f831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6deb3f9615aa680f2e3ccc93e88f0de91dcb6d8ce2e9df4b4fc751440c89f831", kill_on_drop: false }`
[INFO] [stdout] 6deb3f9615aa680f2e3ccc93e88f0de91dcb6d8ce2e9df4b4fc751440c89f831
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f62d11d48cec8434f77af641fe0126f8dd785b90da85c8eab5324697553d0aed
[INFO] running `Command { std: "docker" "start" "-a" "f62d11d48cec8434f77af641fe0126f8dd785b90da85c8eab5324697553d0aed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling der v0.7.8
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling ripemd v0.1.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling mio v0.6.23
[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-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.58/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debug-assertions=on --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-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=31eeb058948daa3b -C extra-filename=-9cd153a1fcb85a93 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a14fd45e95849eee.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6c1ab7ead4039d76.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-c0c4c38136754467.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" "f62d11d48cec8434f77af641fe0126f8dd785b90da85c8eab5324697553d0aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62d11d48cec8434f77af641fe0126f8dd785b90da85c8eab5324697553d0aed", kill_on_drop: false }`
[INFO] [stdout] f62d11d48cec8434f77af641fe0126f8dd785b90da85c8eab5324697553d0aed
