[INFO] fetching crate kungfu 0.2.2...
[INFO] testing kungfu-0.2.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate kungfu 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate kungfu 0.2.2
[INFO] finished tweaking crates.io crate kungfu 0.2.2
[INFO] tweaked toml for crates.io crate kungfu 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kungfu 0.2.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kungfu 0.2.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f9eedd6e82630192dc85817ee70824d7edafa3bde6c992786d7c7a8f9e2eb3c
[INFO] running `Command { std: "docker" "start" "-a" "8f9eedd6e82630192dc85817ee70824d7edafa3bde6c992786d7c7a8f9e2eb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f9eedd6e82630192dc85817ee70824d7edafa3bde6c992786d7c7a8f9e2eb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9eedd6e82630192dc85817ee70824d7edafa3bde6c992786d7c7a8f9e2eb3c", kill_on_drop: false }`
[INFO] [stdout] 8f9eedd6e82630192dc85817ee70824d7edafa3bde6c992786d7c7a8f9e2eb3c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 296de0457c6114de85a1f1123004bcffe86a065ff2a60584169780a203f12667
[INFO] running `Command { std: "docker" "start" "-a" "296de0457c6114de85a1f1123004bcffe86a065ff2a60584169780a203f12667", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling pnet_base v0.35.0
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling pnet_macros_support v0.35.0
[INFO] [stderr]    Compiling nix v0.31.1
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling pnet_sys v0.35.0
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling data-encoding v2.10.0
[INFO] [stderr]    Compiling procfs v0.17.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling deranged v0.5.6
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling procfs-core v0.17.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling netlink-sys v0.8.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling notify-types v2.1.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling regex-automata v0.4.14
[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/dec9417b8611e34e787a3e4c37686b5131f9e5c5/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=37e033b5c5735a8b -C extra-filename=-f1a8960a9c27f396 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-43e32a25692bf44a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bb3f6317720419af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "296de0457c6114de85a1f1123004bcffe86a065ff2a60584169780a203f12667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296de0457c6114de85a1f1123004bcffe86a065ff2a60584169780a203f12667", kill_on_drop: false }`
[INFO] [stdout] 296de0457c6114de85a1f1123004bcffe86a065ff2a60584169780a203f12667