[INFO] fetching crate metallic 0.2.0...
[INFO] testing metallic-0.2.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate metallic 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate metallic 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate metallic 0.2.0
[INFO] tweaked toml for crates.io crate metallic 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metallic 0.2.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate metallic 0.2.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.6.0
[INFO] [stderr]   Downloaded fast_polynomial v0.3.0
[INFO] [stderr]   Downloaded libloading v0.8.7
[INFO] [stderr]   Downloaded criterion v0.7.0
[INFO] [stderr]   Downloaded clap v4.5.38
[INFO] [stderr]   Downloaded prettyplease v0.2.32
[INFO] [stderr]   Downloaded clap_builder v4.5.38
[INFO] [stderr]   Downloaded bindgen v0.72.0
[INFO] [stderr]   Downloaded core-math-sys v1.0.0
[INFO] [stderr]   Downloaded core-math v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 747d77bf85f3bf6a86af5cf84d6e651c0e8a01c6c49ad243e2d124c84f37f02e
[INFO] running `Command { std: "docker" "start" "-a" "747d77bf85f3bf6a86af5cf84d6e651c0e8a01c6c49ad243e2d124c84f37f02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747d77bf85f3bf6a86af5cf84d6e651c0e8a01c6c49ad243e2d124c84f37f02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747d77bf85f3bf6a86af5cf84d6e651c0e8a01c6c49ad243e2d124c84f37f02e", kill_on_drop: false }`
[INFO] [stdout] 747d77bf85f3bf6a86af5cf84d6e651c0e8a01c6c49ad243e2d124c84f37f02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6c5cfb1f199a26130eb177e643c695ab7f6dd86110585dec9eef4b2f2331303
[INFO] running `Command { std: "docker" "start" "-a" "d6c5cfb1f199a26130eb177e643c695ab7f6dd86110585dec9eef4b2f2331303", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fast_polynomial v0.3.0
[INFO] [stderr]    Compiling metallic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `u64_sign_bit` is never used
[INFO] [stdout]   --> src/lib.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | const fn u64_sign_bit(sign: Sign) -> u64 {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Magnitude` is never used
[INFO] [stdout]   --> src/f64/mod.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Magnitude {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]   --> src/f64/mod.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | const fn normalize(x: f64) -> (Sign, Magnitude) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_sum` is never used
[INFO] [stdout]   --> src/f64/kernel.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Sum {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub const fn from_sum(x: f64, y: f64) -> Self {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "d6c5cfb1f199a26130eb177e643c695ab7f6dd86110585dec9eef4b2f2331303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c5cfb1f199a26130eb177e643c695ab7f6dd86110585dec9eef4b2f2331303", kill_on_drop: false }`
[INFO] [stdout] d6c5cfb1f199a26130eb177e643c695ab7f6dd86110585dec9eef4b2f2331303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7031923e9eec8c9013f3586a0cebd916897aba38dca49dde04ff3b4091c90575
[INFO] running `Command { std: "docker" "start" "-a" "7031923e9eec8c9013f3586a0cebd916897aba38dca49dde04ff3b4091c90575", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bindgen v0.72.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling libloading v0.8.7
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.38
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cc v1.2.31
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling fast_polynomial v0.3.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling metallic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `u64_sign_bit` is never used
[INFO] [stdout]   --> src/lib.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | const fn u64_sign_bit(sign: Sign) -> u64 {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Magnitude` is never used
[INFO] [stdout]   --> src/f64/mod.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Magnitude {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalize` is never used
[INFO] [stdout]   --> src/f64/mod.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 | const fn normalize(x: f64) -> (Sign, Magnitude) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_sum` is never used
[INFO] [stdout]   --> src/f64/kernel.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Sum {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub const fn from_sum(x: f64, y: f64) -> Self {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling clap v4.5.38
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[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/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.101/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=e070d204697472b8 -C extra-filename=-5e48cd272868b659 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4b9bfc22d81e7631.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e7263097a15ace8e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-63696b82ec5b5f94.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" "7031923e9eec8c9013f3586a0cebd916897aba38dca49dde04ff3b4091c90575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7031923e9eec8c9013f3586a0cebd916897aba38dca49dde04ff3b4091c90575", kill_on_drop: false }`
[INFO] [stdout] 7031923e9eec8c9013f3586a0cebd916897aba38dca49dde04ff3b4091c90575
