[INFO] fetching crate linfa-nn 0.8.1...
[INFO] testing linfa-nn-0.8.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate linfa-nn 0.8.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate linfa-nn 0.8.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate linfa-nn 0.8.1
[INFO] tweaked toml for crates.io crate linfa-nn 0.8.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate linfa-nn 0.8.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate linfa-nn 0.8.1 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fff895b60784956b5ac6e1e3003b0b04039b14aec8f89bdadad61e06fb7a547
[INFO] running `Command { std: "docker" "start" "-a" "3fff895b60784956b5ac6e1e3003b0b04039b14aec8f89bdadad61e06fb7a547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fff895b60784956b5ac6e1e3003b0b04039b14aec8f89bdadad61e06fb7a547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fff895b60784956b5ac6e1e3003b0b04039b14aec8f89bdadad61e06fb7a547", kill_on_drop: false }`
[INFO] [stdout] 3fff895b60784956b5ac6e1e3003b0b04039b14aec8f89bdadad61e06fb7a547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64ea5b92e3ebe2d9f7c86cd1a3c62f63b1b63bb21e45bb8117ff759aea0da975
[INFO] running `Command { std: "docker" "start" "-a" "64ea5b92e3ebe2d9f7c86cd1a3c62f63b1b63bb21e45bb8117ff759aea0da975", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
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[INFO] [stderr]    Compiling zerocopy v0.8.30
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[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
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[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling once_cell v1.19.0
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[INFO] [stderr]    Compiling anstyle v1.0.13
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[INFO] [stderr]    Compiling ryu v1.0.20
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[INFO] [stderr]    Compiling bytemuck v1.24.0
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[INFO] [stderr]    Compiling symbolic-demangle v12.17.0
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[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling rand_core v0.6.4
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[INFO] [stderr]    Compiling symbolic-common v12.17.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
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[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling smallvec v1.15.1
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[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling linfa v0.8.1
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling zerocopy-derive v0.8.30
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling equator v0.4.2
[INFO] [stderr]    Compiling aligned-vec v0.6.4
[INFO] [stderr]    Compiling kdtree v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling sprs v0.11.2
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling ndarray-stats v0.6.0
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling linfa-nn v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.70s
[INFO] running `Command { std: "docker" "inspect" "64ea5b92e3ebe2d9f7c86cd1a3c62f63b1b63bb21e45bb8117ff759aea0da975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ea5b92e3ebe2d9f7c86cd1a3c62f63b1b63bb21e45bb8117ff759aea0da975", kill_on_drop: false }`
[INFO] [stdout] 64ea5b92e3ebe2d9f7c86cd1a3c62f63b1b63bb21e45bb8117ff759aea0da975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f13808dbac758f30d3c51aa62bbfa73834d47b30c20d9e6835c8c6ad2c983c63
[INFO] running `Command { std: "docker" "start" "-a" "f13808dbac758f30d3c51aa62bbfa73834d47b30c20d9e6835c8c6ad2c983c63", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling linfa-nn v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "f13808dbac758f30d3c51aa62bbfa73834d47b30c20d9e6835c8c6ad2c983c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13808dbac758f30d3c51aa62bbfa73834d47b30c20d9e6835c8c6ad2c983c63", kill_on_drop: false }`
[INFO] [stdout] f13808dbac758f30d3c51aa62bbfa73834d47b30c20d9e6835c8c6ad2c983c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95f5f0c5e98d35993a575a5b0b8a05444cba054f691ef52c445281ce57cc2404
[INFO] running `Command { std: "docker" "start" "-a" "95f5f0c5e98d35993a575a5b0b8a05444cba054f691ef52c445281ce57cc2404", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linfa_nn-ed2cf34303afb258)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test balltree::test::autotraits ... ok
[INFO] [stdout] test distance::test::autotraits ... ok
[INFO] [stdout] test distance::test::l1_dist ... ok
[INFO] [stdout] test distance::test::linf_dist ... ok
[INFO] [stdout] test balltree::test::partition_test ... ok
[INFO] [stdout] test distance::test::lp_dist ... ok
[INFO] [stdout] test tests::autotraits ... ok
[INFO] [stdout] test distance::test::l2_dist ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/nn.rs (/opt/rustwide/target/debug/deps/nn-6ca58274f8f3bba0)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test balltree::degenerate ... ok
[INFO] [stdout] test balltree::empty ... ok
[INFO] [stdout] test balltree::normal ... ok
[INFO] [stdout] test balltree::error ... ok
[INFO] [stdout] test kdtree::error ... ok
[INFO] [stdout] test kdtree::normal ... ok
[INFO] [stdout] test linear_search::degenerate ... ok
[INFO] [stdout] test kdtree::degenerate ... ok
[INFO] [stdout] test kdtree::empty ... ok
[INFO] [stdout] test linear_search::empty ... ok
[INFO] [stdout] test linear_search::normal ... ok
[INFO] [stdout] test linear_search::error ... ok
[INFO] [stdout] test kdtree::random_l1 ... ok
[INFO] [stdout] test kdtree::random_l2 ... ok
[INFO] [stdout] test balltree::random_l1 ... ok
[INFO] [stdout] test balltree::random_l2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.48s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linfa_nn
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - CommonNearestNeighbour (line 126) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95f5f0c5e98d35993a575a5b0b8a05444cba054f691ef52c445281ce57cc2404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f5f0c5e98d35993a575a5b0b8a05444cba054f691ef52c445281ce57cc2404", kill_on_drop: false }`
[INFO] [stdout] 95f5f0c5e98d35993a575a5b0b8a05444cba054f691ef52c445281ce57cc2404
