[INFO] fetching crate ufc_prediction_tracker 0.1.2...
[INFO] building ufc_prediction_tracker-0.1.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate ufc_prediction_tracker 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ufc_prediction_tracker 0.1.2
[INFO] finished tweaking crates.io crate ufc_prediction_tracker 0.1.2
[INFO] tweaked toml for crates.io crate ufc_prediction_tracker 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ufc_prediction_tracker 0.1.2 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] crate crates.io crate ufc_prediction_tracker 0.1.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9f734494497144930bf627efefdb8dd1cf3d049c371d7a21521c2b68f32987f6
[INFO] running `Command { std: "docker" "start" "-a" "9f734494497144930bf627efefdb8dd1cf3d049c371d7a21521c2b68f32987f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f734494497144930bf627efefdb8dd1cf3d049c371d7a21521c2b68f32987f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f734494497144930bf627efefdb8dd1cf3d049c371d7a21521c2b68f32987f6", kill_on_drop: false }`
[INFO] [stdout] 9f734494497144930bf627efefdb8dd1cf3d049c371d7a21521c2b68f32987f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a0d1b103dd729f9fa909694db56712bf77b966ab202851322935fa3813648873
[INFO] running `Command { std: "docker" "start" "-a" "a0d1b103dd729f9fa909694db56712bf77b966ab202851322935fa3813648873", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling gio v0.18.4
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling dioxus-core-types v0.6.2
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling longest-increasing-subsequence v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling lazy-js-bundle v0.6.2
[INFO] [stderr]    Compiling gtk v0.18.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling libxdo-sys v0.11.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling dioxus-document v0.6.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling dpi v0.1.2
[INFO] [stderr]    Compiling dioxus-cli-config v0.6.3
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling xdg-home v1.3.0
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.27/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "parallel"))' -C metadata=b9dae834eb487e0f -C extra-filename=-f9d8475087a46795 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shlex=/opt/rustwide/target/debug/deps/libshlex-258c8bec04b9d869.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" "a0d1b103dd729f9fa909694db56712bf77b966ab202851322935fa3813648873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d1b103dd729f9fa909694db56712bf77b966ab202851322935fa3813648873", kill_on_drop: false }`
[INFO] [stdout] a0d1b103dd729f9fa909694db56712bf77b966ab202851322935fa3813648873