[INFO] fetching crate groupcache 0.2.1...
[INFO] building groupcache-0.2.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate groupcache 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate groupcache 0.2.1
[INFO] finished tweaking crates.io crate groupcache 0.2.1
[INFO] tweaked toml for crates.io crate groupcache 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate groupcache 0.2.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 183 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.6.20 (available: v0.8.5)
[INFO] [stderr]       Adding metrics v0.22.4 (available: v0.24.2)
[INFO] [stderr]       Adding rstest v0.18.2 (available: v0.26.1)
[INFO] [stderr]       Adding singleflight-async v0.1.3 (available: v0.2.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tonic v0.10.2 (available: v0.14.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7a24ef3b20f05ba6e05b91ed9520c682c8b44c23ad3f6068eaa2ff1a6593727
[INFO] running `Command { std: "docker" "start" "-a" "f7a24ef3b20f05ba6e05b91ed9520c682c8b44c23ad3f6068eaa2ff1a6593727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7a24ef3b20f05ba6e05b91ed9520c682c8b44c23ad3f6068eaa2ff1a6593727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a24ef3b20f05ba6e05b91ed9520c682c8b44c23ad3f6068eaa2ff1a6593727", kill_on_drop: false }`
[INFO] [stdout] f7a24ef3b20f05ba6e05b91ed9520c682c8b44c23ad3f6068eaa2ff1a6593727
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c5a7657f07eebb486363ad1653bad82c7ae01418b6a80c3e43ba2ec34622e3b
[INFO] running `Command { std: "docker" "start" "-a" "5c5a7657f07eebb486363ad1653bad82c7ae01418b6a80c3e43ba2ec34622e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling moka v0.12.11
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling hashring v0.3.6
[INFO] [stderr]    Compiling metrics v0.22.4
[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/4987e9d4227139400384ab59296ffee3b0fb1183/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 -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=4a8c0a73fcb3995b -C extra-filename=-9a767b7f844e7ea8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-10298f62ab753afe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-eba1d94792f9c5ac.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6ac3b87590d2322c.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" "5c5a7657f07eebb486363ad1653bad82c7ae01418b6a80c3e43ba2ec34622e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5a7657f07eebb486363ad1653bad82c7ae01418b6a80c3e43ba2ec34622e3b", kill_on_drop: false }`
[INFO] [stdout] 5c5a7657f07eebb486363ad1653bad82c7ae01418b6a80c3e43ba2ec34622e3b