[INFO] fetching crate symbolica 0.20.0...
[INFO] testing symbolica-0.20.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate symbolica 0.20.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate symbolica 0.20.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate symbolica 0.20.0
[INFO] tweaked toml for crates.io crate symbolica 0.20.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate symbolica 0.20.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate symbolica 0.20.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38e8540919a86fc398d7b0c2376b24ea0cd37056bb3611bf2095a88c74164df5
[INFO] running `Command { std: "docker" "start" "-a" "38e8540919a86fc398d7b0c2376b24ea0cd37056bb3611bf2095a88c74164df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38e8540919a86fc398d7b0c2376b24ea0cd37056bb3611bf2095a88c74164df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e8540919a86fc398d7b0c2376b24ea0cd37056bb3611bf2095a88c74164df5", kill_on_drop: false }`
[INFO] [stdout] 38e8540919a86fc398d7b0c2376b24ea0cd37056bb3611bf2095a88c74164df5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69ff63bfba70627fdc44976e6a76f64a01c8755a4fbebd7ba6a88534fdccc0f
[INFO] running `Command { std: "docker" "start" "-a" "e69ff63bfba70627fdc44976e6a76f64a01c8755a4fbebd7ba6a88534fdccc0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.7
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling symbolica v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling self_cell v1.2.0
[INFO] [stderr]    Compiling tinyjson v2.5.1
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling append-only-vec v0.1.7
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling safe_arch v0.9.2
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling wide v0.8.1
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]     --> src/poly/factor.rs:2736:13
[INFO] [stdout]      |
[INFO] [stdout] 2736 |             i += 1;
[INFO] [stdout]      |             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pc` is never read
[INFO] [stdout]    --> src/poly/groebner.rs:754:21
[INFO] [stdout]     |
[INFO] [stdout] 754 |                     pc += 1;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `state` is never read
[INFO] [stdout]    --> src/tensors/matrix.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         state.in_sum = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `state` is never read
[INFO] [stdout]    --> src/tensors/matrix.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         state.in_product = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `state` is never read
[INFO] [stdout]    --> src/tensors/matrix.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         state.in_exp = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `state` is never read
[INFO] [stdout]    --> src/tensors/matrix.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         state.in_exp_base = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `symbolica` (lib); 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/rustc --crate-name symbolica --edition=2024 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="default"' --cfg 'feature="tracing_max_level_info"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bincode", "default", "faster_alloc", "full_fn_cmp", "mathematica_api", "numpy", "pyo3", "pyo3-log", "pyo3-stub-gen", "pyo3-stub-gen-derive", "python_abi3", "python_api", "python_export", "python_stubgen", "serde", "tikv-jemallocator", "tracing_max_level_info", "wolfram-library-link"))' -C metadata=2313d739bd5429ce -C extra-filename=-6bcf625768c0576a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-6edadceae404a28a.rmeta --extern append_only_vec=/opt/rustwide/target/debug/deps/libappend_only_vec-b1e62519f55db199.rmeta --extern brotli=/opt/rustwide/target/debug/deps/libbrotli-197050b56da9d390.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-1efcbe4f07366651.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-bfe11088fe358bd1.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-22b52eb551a6f756.rmeta --extern dyn_clone=/opt/rustwide/target/debug/deps/libdyn_clone-1c1b05e4f4a02cac.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-2ea89a4be99e7d12.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-0ba6aecba7086d38.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-90a4042ea0e50e59.rmeta --extern rand_xoshiro=/opt/rustwide/target/debug/deps/librand_xoshiro-cba74e88856d65ce.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-380c63807d2b5582.rmeta --extern rug=/opt/rustwide/target/debug/deps/librug-c440bbb58a1fd9d4.rmeta --extern self_cell=/opt/rustwide/target/debug/deps/libself_cell-dcb42da15832ce15.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-45f6e3b8047adea1.rmeta --extern smartstring=/opt/rustwide/target/debug/deps/libsmartstring-478580f21b80a28e.rmeta --extern tinyjson=/opt/rustwide/target/debug/deps/libtinyjson-87b36b98fde0e2bf.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-abded4486eab856f.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-7f3e21ac1ef94762.rmeta --extern wide=/opt/rustwide/target/debug/deps/libwide-4c7ea129da490a59.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/gmp-mpfr-sys-c7df70858f98a6bb/out/lib` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e69ff63bfba70627fdc44976e6a76f64a01c8755a4fbebd7ba6a88534fdccc0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69ff63bfba70627fdc44976e6a76f64a01c8755a4fbebd7ba6a88534fdccc0f", kill_on_drop: false }`
[INFO] [stdout] e69ff63bfba70627fdc44976e6a76f64a01c8755a4fbebd7ba6a88534fdccc0f