[INFO] fetching crate egobox-ego 0.32.0...
[INFO] testing egobox-ego-0.32.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate egobox-ego 0.32.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate egobox-ego 0.32.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate egobox-ego 0.32.0
[INFO] tweaked toml for crates.io crate egobox-ego 0.32.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate egobox-ego 0.32.0 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] crate crates.io crate egobox-ego 0.32.0 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9283a9f3512317485fc7d9aeae0b6334c77242f63fb243cdce25edde490a34db
[INFO] running `Command { std: "docker" "start" "-a" "9283a9f3512317485fc7d9aeae0b6334c77242f63fb243cdce25edde490a34db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9283a9f3512317485fc7d9aeae0b6334c77242f63fb243cdce25edde490a34db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9283a9f3512317485fc7d9aeae0b6334c77242f63fb243cdce25edde490a34db", kill_on_drop: false }`
[INFO] [stdout] 9283a9f3512317485fc7d9aeae0b6334c77242f63fb243cdce25edde490a34db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6ce20f22b99748d04cde582dd0dfed56f283e24bfebcc8e5c1e4cb637679691e
[INFO] running `Command { std: "docker" "start" "-a" "6ce20f22b99748d04cde582dd0dfed56f283e24bfebcc8e5c1e4cb637679691e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling thiserror v2.0.15
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling linfa v0.7.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling inventory v0.3.20
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling slog-term v2.9.1
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling space v0.12.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling slsqp v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.15
[INFO] [stderr]    Compiling typetag-impl v0.2.20
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.2
[INFO] [stderr]    Compiling dyn-clonable v0.9.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling argmin-math v0.4.0
[INFO] [stderr]    Compiling kdtree v0.7.0
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling clap v4.5.45
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]    Compiling py_literal v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling bitflags v2.9.2
[INFO] [stderr]    Compiling erased-serde v0.4.6
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling typetag v0.2.20
[INFO] [stderr]    Compiling ctrlc v3.4.7
[INFO] [stderr]    Compiling argmin v0.10.0
[INFO] [stderr]    Compiling sprs v0.11.1
[INFO] [stderr]    Compiling ndarray-stats v0.5.1
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling linfa-linalg v0.1.0
[INFO] [stderr]    Compiling finitediff v0.1.4
[INFO] [stderr]    Compiling ndarray_einsum_beta v0.7.0
[INFO] [stderr]    Compiling ndarray-npy v0.8.1
[INFO] [stderr]    Compiling argmin-observer-slog v0.1.0
[INFO] [stderr]    Compiling cobyla v0.6.0
[INFO] [stderr]    Compiling egobox-doe v0.32.0
[INFO] [stderr]    Compiling linfa-nn v0.7.2
[INFO] [stderr]    Compiling linfa-pls v0.7.1
[INFO] [stderr]    Compiling egobox-gp v0.32.0
[INFO] [stderr]    Compiling linfa-clustering v0.7.1
[INFO] [stderr]    Compiling egobox-moe v0.32.0
[INFO] [stderr]    Compiling egobox-ego v0.32.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.55s
[INFO] running `Command { std: "docker" "inspect" "6ce20f22b99748d04cde582dd0dfed56f283e24bfebcc8e5c1e4cb637679691e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce20f22b99748d04cde582dd0dfed56f283e24bfebcc8e5c1e4cb637679691e", kill_on_drop: false }`
[INFO] [stdout] 6ce20f22b99748d04cde582dd0dfed56f283e24bfebcc8e5c1e4cb637679691e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 720f4658eabd58888c48778e60849513011eb55c60c23d14761bd50cbbc39d9f
[INFO] running `Command { std: "docker" "start" "-a" "720f4658eabd58888c48778e60849513011eb55c60c23d14761bd50cbbc39d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling typetag v0.2.20
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling sdd v3.0.10
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling scc v2.4.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]    Compiling py_literal v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling argmin_testfunctions v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serial_test v3.2.0
[INFO] [stderr]    Compiling sprs v0.11.1
[INFO] [stderr]    Compiling ndarray-stats v0.5.1
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling linfa-linalg v0.1.0
[INFO] [stderr]    Compiling ndarray_einsum_beta v0.7.0
[INFO] [stderr]    Compiling finitediff v0.1.4
[INFO] [stderr]    Compiling ndarray-npy v0.8.1
[INFO] [stderr]    Compiling linfa v0.7.1
[INFO] [stderr]    Compiling linfa-pls v0.7.1
[INFO] [stderr]    Compiling linfa-nn v0.7.2
[INFO] [stderr]    Compiling egobox-doe v0.32.0
[INFO] [stderr]    Compiling linfa-clustering v0.7.1
[INFO] [stderr]    Compiling egobox-gp v0.32.0
[INFO] [stderr]    Compiling egobox-moe v0.32.0
[INFO] [stderr]    Compiling egobox-ego v0.32.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `egobox-ego` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name egobox_ego --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("blas", "default", "ndarray-linalg", "nlopt", "persistent"))' -C metadata=71f2be38226a28bf -C extra-filename=-6504817c06971dde --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-37a8c652d1faf997.rlib --extern approx=/opt/rustwide/target/debug/deps/libapprox-2cda9e0d36e99b60.rlib --extern argmin=/opt/rustwide/target/debug/deps/libargmin-356a3410c1e2c7f5.rlib --extern argmin_testfunctions=/opt/rustwide/target/debug/deps/libargmin_testfunctions-04423e642391cf47.rlib --extern bincode=/opt/rustwide/target/debug/deps/libbincode-37598b0263f81f87.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-73b0d2e059785292.rlib --extern cobyla=/opt/rustwide/target/debug/deps/libcobyla-d91f194a20043f01.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-be29cc9699b6e4f9.rlib --extern dyn_clonable=/opt/rustwide/target/debug/deps/libdyn_clonable-02065e292cb530ef.rlib --extern egobox_doe=/opt/rustwide/target/debug/deps/libegobox_doe-69372e696aa4cdf7.rlib --extern egobox_gp=/opt/rustwide/target/debug/deps/libegobox_gp-c6f0d993928a94f9.rlib --extern egobox_moe=/opt/rustwide/target/debug/deps/libegobox_moe-2d4ac478335551e5.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-393638458572a21e.rlib --extern finitediff=/opt/rustwide/target/debug/deps/libfinitediff-b640f6eec2d14276.rlib --extern libm=/opt/rustwide/target/debug/deps/liblibm-61df0eb35573aff3.rlib --extern linfa=/opt/rustwide/target/debug/deps/liblinfa-6d6c7be428e9b59d.rlib --extern linfa_linalg=/opt/rustwide/target/debug/deps/liblinfa_linalg-315bd24b2e80ff67.rlib --extern linfa_pls=/opt/rustwide/target/debug/deps/liblinfa_pls-cc44c108f58d318d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-d6f7bb1298e9acd0.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-2b83a12f6d45a23a.rlib --extern ndarray_npy=/opt/rustwide/target/debug/deps/libndarray_npy-def722840f17c3f5.rlib --extern ndarray_rand=/opt/rustwide/target/debug/deps/libndarray_rand-5b4e1ae2810734e6.rlib --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-46922e40bfd9203f.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-8ce5605c29654631.so --extern rand_xoshiro=/opt/rustwide/target/debug/deps/librand_xoshiro-acedaaa3b92fc476.rlib --extern rawpointer=/opt/rustwide/target/debug/deps/librawpointer-10d892ea69c462d6.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-2f6ee0235a8f6553.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f5bc6b1177e89be7.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3d78002c8046ee07.rlib --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-030635a49353557d.rlib --extern slsqp=/opt/rustwide/target/debug/deps/libslsqp-ae46d3c96593b299.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4e0a0234578e70d9.rlib --extern typetag=/opt/rustwide/target/debug/deps/libtypetag-f0957be46a849054.rlib --extern web_time=/opt/rustwide/target/debug/deps/libweb_time-e902e3c80b588a6f.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "720f4658eabd58888c48778e60849513011eb55c60c23d14761bd50cbbc39d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720f4658eabd58888c48778e60849513011eb55c60c23d14761bd50cbbc39d9f", kill_on_drop: false }`
[INFO] [stdout] 720f4658eabd58888c48778e60849513011eb55c60c23d14761bd50cbbc39d9f