[INFO] cloning repository https://github.com/cosecruz/scarff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosecruz/scarff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosecruz%2Fscarff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosecruz%2Fscarff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 613c4c6666df77ef09f0b9726bc3384fab33fd8a
[INFO] testing cosecruz/scarff 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%2Fcosecruz%2Fscarff" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/cosecruz/scarff
[INFO] finished tweaking git repo https://github.com/cosecruz/scarff
[INFO] tweaked toml for git repo https://github.com/cosecruz/scarff written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cosecruz/scarff 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 196 packages to latest Rust 1.87 compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding toml v0.9.12+spec-1.1.0 (available: v1.1.2+spec-1.1.0)
[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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9502e2e191c71992acbaa7a9c1343e0e2d36c501c8788770614a9a722e5b75a
[INFO] running `Command { std: "docker" "start" "-a" "f9502e2e191c71992acbaa7a9c1343e0e2d36c501c8788770614a9a722e5b75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9502e2e191c71992acbaa7a9c1343e0e2d36c501c8788770614a9a722e5b75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9502e2e191c71992acbaa7a9c1343e0e2d36c501c8788770614a9a722e5b75a", kill_on_drop: false }`
[INFO] [stdout] f9502e2e191c71992acbaa7a9c1343e0e2d36c501c8788770614a9a722e5b75a
[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=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] 607f71ea168f8acc692735abba5c47965ca5fc3218cfd698950c62ad9e279a21
[INFO] running `Command { std: "docker" "start" "-a" "607f71ea168f8acc692735abba5c47965ca5fc3218cfd698950c62ad9e279a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling winnow v1.0.2
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling erased-serde v0.4.10
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling console v0.16.3
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling yaml-rust2 v0.10.4
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling rust-ini v0.21.3
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling uuid v1.23.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling toml v0.9.12+spec-1.1.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling supports-color v2.1.0
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling serde-untagged v0.1.9
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling unit-prefix v0.5.2
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling shell-words v1.1.1
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling indicatif v0.18.4
[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-2.0.117/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=2 -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=64e233f4755b8d7d -C extra-filename=-de509ec1bf64b16b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb616b97771907d4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c1405cb52bc99a37.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-58ef79966b794672.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" "607f71ea168f8acc692735abba5c47965ca5fc3218cfd698950c62ad9e279a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607f71ea168f8acc692735abba5c47965ca5fc3218cfd698950c62ad9e279a21", kill_on_drop: false }`
[INFO] [stdout] 607f71ea168f8acc692735abba5c47965ca5fc3218cfd698950c62ad9e279a21
