[INFO] fetching crate farmfe_plugin_runtime 0.0.15...
[INFO] testing farmfe_plugin_runtime-0.0.15 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate farmfe_plugin_runtime 0.0.15 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate farmfe_plugin_runtime 0.0.15
[INFO] finished tweaking crates.io crate farmfe_plugin_runtime 0.0.15
[INFO] tweaked toml for crates.io crate farmfe_plugin_runtime 0.0.15 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate farmfe_plugin_runtime 0.0.15 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 348 packages to latest compatible versions
[INFO] [stderr]       Adding farmfe_core v0.7.3 (available: v2.0.0)
[INFO] [stderr]       Adding farmfe_testing_helpers v0.0.17 (available: v2.0.0)
[INFO] [stderr]       Adding farmfe_toolkit v0.0.17 (available: v2.0.0)
[INFO] [stderr]       Adding farmfe_utils v0.1.6 (available: v2.0.0)
[INFO] [stderr]       Adding rkyv v0.7.44 (available: v0.7.45)
[INFO] [stderr]       Adding rkyv_derive v0.7.44 (available: v0.7.45)
[INFO] [stderr]       Adding unicode-id-start v1.0.4 (available: v1.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed68cfd5056dafe67c9f5d71971fed8567fe027e8b6485ccb2350d41ca76bebb
[INFO] running `Command { std: "docker" "start" "-a" "ed68cfd5056dafe67c9f5d71971fed8567fe027e8b6485ccb2350d41ca76bebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed68cfd5056dafe67c9f5d71971fed8567fe027e8b6485ccb2350d41ca76bebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed68cfd5056dafe67c9f5d71971fed8567fe027e8b6485ccb2350d41ca76bebb", kill_on_drop: false }`
[INFO] [stdout] ed68cfd5056dafe67c9f5d71971fed8567fe027e8b6485ccb2350d41ca76bebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 736e9c036f5f151e69ba6db153f3ea640dd5ebbe7a50a7d2b2a3a6e7f714298c
[INFO] running `Command { std: "docker" "start" "-a" "736e9c036f5f151e69ba6db153f3ea640dd5ebbe7a50a7d2b2a3a6e7f714298c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling thread-id v4.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling unicode-id-start v1.0.4
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling if_chain v1.0.3
[INFO] [stderr]    Compiling outref v0.1.0
[INFO] [stderr]    Compiling rkyv v0.7.44
[INFO] [stderr]    Compiling simd-abstraction v0.7.1
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling better_scoped_tls v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling base64-simd v0.7.0
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling ryu-js v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling unicode-id v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling vsimd v0.8.0
[INFO] [stderr]    Compiling outref v0.5.2
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling base64-simd v0.8.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling addr2line v0.24.2
[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/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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=b3e92615ea50e1e1 -C extra-filename=-ed77e80ca4889f85 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.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" "736e9c036f5f151e69ba6db153f3ea640dd5ebbe7a50a7d2b2a3a6e7f714298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736e9c036f5f151e69ba6db153f3ea640dd5ebbe7a50a7d2b2a3a6e7f714298c", kill_on_drop: false }`
[INFO] [stdout] 736e9c036f5f151e69ba6db153f3ea640dd5ebbe7a50a7d2b2a3a6e7f714298c