[INFO] fetching crate ahri 1.0.1...
[INFO] testing ahri-1.0.1 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate ahri 1.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ahri 1.0.1
[INFO] finished tweaking crates.io crate ahri 1.0.1
[INFO] tweaked toml for crates.io crate ahri 1.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ahri 1.0.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ahri 1.0.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c59a59f842d2ac8e18a4146a17ad6cc5e7dac177cfa84095f98c7db64b0a44c2
[INFO] running `Command { std: "docker" "start" "-a" "c59a59f842d2ac8e18a4146a17ad6cc5e7dac177cfa84095f98c7db64b0a44c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c59a59f842d2ac8e18a4146a17ad6cc5e7dac177cfa84095f98c7db64b0a44c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59a59f842d2ac8e18a4146a17ad6cc5e7dac177cfa84095f98c7db64b0a44c2", kill_on_drop: false }`
[INFO] [stdout] c59a59f842d2ac8e18a4146a17ad6cc5e7dac177cfa84095f98c7db64b0a44c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ede8096ba8bb6820043f6eb0d1e1b3f9c855e6a019c8abe15acc55b1d44d6941
[INFO] running `Command { std: "docker" "start" "-a" "ede8096ba8bb6820043f6eb0d1e1b3f9c855e6a019c8abe15acc55b1d44d6941", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ahri v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "ede8096ba8bb6820043f6eb0d1e1b3f9c855e6a019c8abe15acc55b1d44d6941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede8096ba8bb6820043f6eb0d1e1b3f9c855e6a019c8abe15acc55b1d44d6941", kill_on_drop: false }`
[INFO] [stdout] ede8096ba8bb6820043f6eb0d1e1b3f9c855e6a019c8abe15acc55b1d44d6941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45be3bbe0ea2c393ee5771be5ce5d6023a139110cf1612e1204bd39f71449e93
[INFO] running `Command { std: "docker" "start" "-a" "45be3bbe0ea2c393ee5771be5ce5d6023a139110cf1612e1204bd39f71449e93", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bindgen v0.68.1
[INFO] [stderr]    Compiling frunk_core v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling lexical-write-float v0.8.5
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling subprocess v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling rust_decimal v1.32.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lexical-core v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling linux-raw-sys v0.4.8
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling deranged v0.3.8
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling derive_utils v0.13.2
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.37/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="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=98d688b9e524e502 -C extra-filename=-56ddc7f3b299b125 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ec5b744ef0d06fc4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-059a284e8a1ffbc9.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" "45be3bbe0ea2c393ee5771be5ce5d6023a139110cf1612e1204bd39f71449e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45be3bbe0ea2c393ee5771be5ce5d6023a139110cf1612e1204bd39f71449e93", kill_on_drop: false }`
[INFO] [stdout] 45be3bbe0ea2c393ee5771be5ce5d6023a139110cf1612e1204bd39f71449e93