[INFO] fetching crate rank_biased_centroids 0.3.1...
[INFO] testing rank_biased_centroids-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rank_biased_centroids 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rank_biased_centroids 0.3.1
[INFO] finished tweaking crates.io crate rank_biased_centroids 0.3.1
[INFO] tweaked toml for crates.io crate rank_biased_centroids 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rank_biased_centroids 0.3.1 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 9 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] 42cb203df3c95b7c1029c035309f9e77dde3f2d1679a95578e89fd69488dca54
[INFO] running `Command { std: "docker" "start" "-a" "42cb203df3c95b7c1029c035309f9e77dde3f2d1679a95578e89fd69488dca54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42cb203df3c95b7c1029c035309f9e77dde3f2d1679a95578e89fd69488dca54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42cb203df3c95b7c1029c035309f9e77dde3f2d1679a95578e89fd69488dca54", kill_on_drop: false }`
[INFO] [stdout] 42cb203df3c95b7c1029c035309f9e77dde3f2d1679a95578e89fd69488dca54
[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] 4b88dea86c939d75341dfa323cd5231dd5eeaaec156f7a5e7fd16641e0f384e6
[INFO] running `Command { std: "docker" "start" "-a" "4b88dea86c939d75341dfa323cd5231dd5eeaaec156f7a5e7fd16641e0f384e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rank_biased_centroids v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "4b88dea86c939d75341dfa323cd5231dd5eeaaec156f7a5e7fd16641e0f384e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b88dea86c939d75341dfa323cd5231dd5eeaaec156f7a5e7fd16641e0f384e6", kill_on_drop: false }`
[INFO] [stdout] 4b88dea86c939d75341dfa323cd5231dd5eeaaec156f7a5e7fd16641e0f384e6
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a29390643cfcaa608ac29674c86824803d12904f15bc07e4b2645a0aaa6ccf35
[INFO] running `Command { std: "docker" "start" "-a" "a29390643cfcaa608ac29674c86824803d12904f15bc07e4b2645a0aaa6ccf35", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling rank_biased_centroids v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "a29390643cfcaa608ac29674c86824803d12904f15bc07e4b2645a0aaa6ccf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29390643cfcaa608ac29674c86824803d12904f15bc07e4b2645a0aaa6ccf35", kill_on_drop: false }`
[INFO] [stdout] a29390643cfcaa608ac29674c86824803d12904f15bc07e4b2645a0aaa6ccf35
[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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e76b1f5c2f8ee9fb1d45e50750b2068a053631cf21375513e44e14c74255f3c
[INFO] running `Command { std: "docker" "start" "-a" "3e76b1f5c2f8ee9fb1d45e50750b2068a053631cf21375513e44e14c74255f3c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rank_biased_centroids-ac9b67ee9a8942dc)
[INFO] [stderr]    Doc-tests rank_biased_centroids
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - rbc (line 237) ... ok
[INFO] [stdout] test src/lib.rs - rbc_with_weights (line 283) ... ok
[INFO] [stdout] test src/lib.rs - (line 188) ... ok
[INFO] [stdout] test src/lib.rs - (line 162) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e76b1f5c2f8ee9fb1d45e50750b2068a053631cf21375513e44e14c74255f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e76b1f5c2f8ee9fb1d45e50750b2068a053631cf21375513e44e14c74255f3c", kill_on_drop: false }`
[INFO] [stdout] 3e76b1f5c2f8ee9fb1d45e50750b2068a053631cf21375513e44e14c74255f3c