[INFO] fetching crate solow-neighbors 0.7.4...
[INFO] testing solow-neighbors-0.7.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate solow-neighbors 0.7.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate solow-neighbors 0.7.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate solow-neighbors 0.7.4
[INFO] tweaked toml for crates.io crate solow-neighbors 0.7.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate solow-neighbors 0.7.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate solow-neighbors 0.7.4 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3
[INFO] running `Command { std: "docker" "start" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling solow-core v0.7.4
[INFO] [stderr]    Compiling solow-neighbors v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 17.06s
[INFO] running `Command { std: "docker" "inspect" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling solow-neighbors v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 14.72s
[INFO] running `Command { std: "docker" "inspect" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.08s
[INFO] [stdout] running 15 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/solow_neighbors-5150ad62903a9354)
[INFO] [stdout] test centroid::tests::nearest_centroid_shrinkage_still_classifies_easy_data ... ok
[INFO] [stdout] test kde::tests::kernel_density_gaussian_returns_higher_density_near_the_mode ... ok
[INFO] [stdout] test kdtree::tests::deterministic_across_builds ... ok
[INFO] [stdout] test kdtree::tests::k_nearest_matches_brute_force_1d ... ok
[INFO] [stdout] test kdtree::tests::radius_query_matches_brute_force_2d ... ok
[INFO] [stdout] test ball_tree::tests::ball_tree_radius_query_finds_expected_points ... ok
[INFO] [stdout] test centroid::tests::nearest_centroid_perfect_on_easy_data ... ok
[INFO] [stdout] test kdtree::tests::rejects_non_finite ... ok
[INFO] [stderr]      Running tests/reference_fixtures.rs (/opt/rustwide/target/release/deps/reference_fixtures-93bff4dd25d14301)
[INFO] [stdout] test knn::tests::distance_weighting_gives_full_weight_to_a_coincident_point ... ok
[INFO] [stdout] test knn::tests::regressor_interpolates_between_neighbours ... ok
[INFO] [stdout] test ball_tree::tests::ball_tree_k_nearest_returns_closest_first ... ok
[INFO] [stdout] test kdtree::tests::empty_k_zero_returns_empty ... ok
[INFO] [stdout] test knn::tests::classifier_recovers_labels_at_training_points ... ok
[INFO] [stdout] test radius::tests::radius_classifier_labels_by_majority_within_radius ... ok
[INFO] [stdout] test lof::tests::lof_flags_a_lone_outlier ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test knn_regressor_uniform_matches_reference_bitwise ... FAILED
[INFO] [stdout] test knn_classifier_uniform_matches_reference ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- knn_regressor_uniform_matches_reference_bitwise stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'knn_regressor_uniform_matches_reference_bitwise' (532) panicked at tests/reference_fixtures.rs:21:61:
[INFO] [stdout] /opt/rustwide/workdir/../../tests/fixtures/neighbors/knn_regressor_uniform.json: No such file or directory (os error 2)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x583df72531f1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x583df72683ca - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x583df725775c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x583df722f2e6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x583df724b5e9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x583df71db1c0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x583df724b7a2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x583df722f392 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x583df7227f59 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x583df722ff8d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x583df7268afc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x583df71c9d99 - reference_fixtures[c59edda3598ddea1]::load::{closure#0}
[INFO] [stdout]   12:     0x583df71ca255 - reference_fixtures[c59edda3598ddea1]::load
[INFO] [stdout]   13:     0x583df71cb3bd - <reference_fixtures[c59edda3598ddea1]::knn_regressor_uniform_matches_reference_bitwise::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x583df71ce4ab - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x583df71dbb15 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x583df71d53d4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x583df71dec72 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x583df7252759 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7b3c009cddfa - <unknown>
[INFO] [stdout]   20:     0x7b3c00a613d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- knn_classifier_uniform_matches_reference stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'knn_classifier_uniform_matches_reference' (531) panicked at tests/reference_fixtures.rs:21:61:
[INFO] [stdout] /opt/rustwide/workdir/../../tests/fixtures/neighbors/knn_classifier_uniform.json: No such file or directory (os error 2)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x583df72531f1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x583df72683ca - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x583df725775c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x583df722f2e6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x583df724b5e9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x583df71db1c0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x583df724b7a2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x583df722f392 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x583df7227f59 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x583df722ff8d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x583df7268afc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x583df71c9d99 - reference_fixtures[c59edda3598ddea1]::load::{closure#0}
[INFO] [stdout]   12:     0x583df71ca255 - reference_fixtures[c59edda3598ddea1]::load
[INFO] [stdout]   13:     0x583df71cabcd - <reference_fixtures[c59edda3598ddea1]::knn_classifier_uniform_matches_reference::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x583df71ce4ab - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x583df71dbb15 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x583df71d53d4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x583df71dec72 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x583df7252759 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7b3c009cddfa - <unknown>
[INFO] [stdout]   20:     0x7b3c00a613d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     knn_classifier_uniform_matches_reference
[INFO] [stdout]     knn_regressor_uniform_matches_reference_bitwise
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test reference_fixtures`
[INFO] running `Command { std: "docker" "inspect" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3", kill_on_drop: false }`
[INFO] [stdout] 251b81952fdbfde653bd64ac61b94b2b1f9a65f48cefe114e30e2038b45fa9e3
