[INFO] fetching crate dens 0.1.0...
[INFO] testing dens-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dens 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dens 0.1.0
[INFO] finished tweaking crates.io crate dens 0.1.0
[INFO] tweaked toml for crates.io crate dens 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dens 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 102 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d789b855d202e5a57dcb9c9e3a83f8e79c0db9dbb950b3933b84bf9374e5a3d
[INFO] running `Command { std: "docker" "start" "-a" "9d789b855d202e5a57dcb9c9e3a83f8e79c0db9dbb950b3933b84bf9374e5a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d789b855d202e5a57dcb9c9e3a83f8e79c0db9dbb950b3933b84bf9374e5a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d789b855d202e5a57dcb9c9e3a83f8e79c0db9dbb950b3933b84bf9374e5a3d", kill_on_drop: false }`
[INFO] [stdout] 9d789b855d202e5a57dcb9c9e3a83f8e79c0db9dbb950b3933b84bf9374e5a3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4db2e93ca12e01a7668e8d71471ac47a22bf568b9928be20cf36421f999c4f5e
[INFO] running `Command { std: "docker" "start" "-a" "4db2e93ca12e01a7668e8d71471ac47a22bf568b9928be20cf36421f999c4f5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bindgen v0.68.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling density-sys v0.1.0
[INFO] [stderr]    Compiling dens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Chameleon = sys::DENSITY_ALGORITHM_DENSITY_ALGORITHM_CHAMELEON,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Cheetah = sys::DENSITY_ALGORITHM_DENSITY_ALGORITHM_CHEETAH,
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Lion = sys::DENSITY_ALGORITHM_DENSITY_ALGORITHM_LION,
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dens` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4db2e93ca12e01a7668e8d71471ac47a22bf568b9928be20cf36421f999c4f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db2e93ca12e01a7668e8d71471ac47a22bf568b9928be20cf36421f999c4f5e", kill_on_drop: false }`
[INFO] [stdout] 4db2e93ca12e01a7668e8d71471ac47a22bf568b9928be20cf36421f999c4f5e
