[INFO] fetching crate egobox-moe 0.13.0... [INFO] checking egobox-moe-0.13.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate egobox-moe 0.13.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate egobox-moe 0.13.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate egobox-moe 0.13.0 [INFO] finished tweaking crates.io crate egobox-moe 0.13.0 [INFO] tweaked toml for crates.io crate egobox-moe 0.13.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate egobox-moe 0.13.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded inventory v0.2.3 [INFO] [stderr] Downloaded rand_isaac v0.3.0 [INFO] [stderr] Downloaded ghost v0.1.16 [INFO] [stderr] Downloaded ndarray-npy v0.8.1 [INFO] [stderr] Downloaded approx v0.4.0 [INFO] [stderr] Downloaded typetag-impl v0.1.8 [INFO] [stderr] Downloaded typetag v0.1.8 [INFO] [stderr] Downloaded ndarray-stats v0.5.1 [INFO] [stderr] Downloaded ciborium-ll v0.2.1 [INFO] [stderr] Downloaded slog-json v2.6.1 [INFO] [stderr] Downloaded ndarray-linalg v0.15.0 [INFO] [stderr] Downloaded cauchy v0.4.0 [INFO] [stderr] Downloaded kdtree v0.6.0 [INFO] [stderr] Downloaded argmin_testfunctions v0.1.1 [INFO] [stderr] Downloaded ciborium-io v0.2.1 [INFO] [stderr] Downloaded linfa-nn v0.7.0 [INFO] [stderr] Downloaded space v0.12.1 [INFO] [stderr] Downloaded lapack-sys v0.12.1 [INFO] [stderr] Downloaded py_literal v0.4.0 [INFO] [stderr] Downloaded ciborium v0.2.1 [INFO] [stderr] Downloaded argmin-math v0.3.0 [INFO] [stderr] Downloaded argmin v0.8.1 [INFO] [stderr] Downloaded linfa-clustering v0.7.0 [INFO] [stderr] Downloaded cobyla v0.5.1 [INFO] [stderr] Downloaded linfa v0.7.0 [INFO] [stderr] Downloaded sprs v0.11.1 [INFO] [stderr] Downloaded slog-async v2.8.0 [INFO] [stderr] Downloaded egobox-doe v0.13.0 [INFO] [stderr] Downloaded ndarray_einsum_beta v0.7.0 [INFO] [stderr] Downloaded egobox-gp v0.13.0 [INFO] [stderr] Downloaded env_logger v0.10.1 [INFO] [stderr] Downloaded order-stat v0.1.3 [INFO] [stderr] Downloaded linfa-linalg v0.1.0 [INFO] [stderr] Downloaded linfa-pls v0.7.0 [INFO] [stderr] Downloaded lapack v0.18.0 [INFO] [stderr] Downloaded lax v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cf021d1a71a34ec3e360d3cb7c6303efb239d0b6a811bec491d1005f1d4e0a4 [INFO] running `Command { std: "docker" "start" "-a" "4cf021d1a71a34ec3e360d3cb7c6303efb239d0b6a811bec491d1005f1d4e0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cf021d1a71a34ec3e360d3cb7c6303efb239d0b6a811bec491d1005f1d4e0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cf021d1a71a34ec3e360d3cb7c6303efb239d0b6a811bec491d1005f1d4e0a4", kill_on_drop: false }` [INFO] [stdout] 4cf021d1a71a34ec3e360d3cb7c6303efb239d0b6a811bec491d1005f1d4e0a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32b035d67a9859aabde78f36d4999bfb0f33ac728493c69eebf78b286215dd5e [INFO] running `Command { std: "docker" "start" "-a" "32b035d67a9859aabde78f36d4999bfb0f33ac728493c69eebf78b286215dd5e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling linfa v0.7.0 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling time-macros v0.2.15 [INFO] [stderr] Checking deranged v0.3.9 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking noisy_float v0.2.0 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Compiling rustix v0.38.25 [INFO] [stderr] Checking time v0.3.30 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Checking slog-term v2.9.0 [INFO] [stderr] Checking kdtree v0.6.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking order-stat v0.1.3 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking space v0.12.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.4.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking argmin_testfunctions v0.1.1 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking pest v2.7.5 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking sprs v0.11.1 [INFO] [stderr] Checking linfa-linalg v0.1.0 [INFO] [stderr] Checking ndarray_einsum_beta v0.7.0 [INFO] [stderr] Compiling pest_meta v2.7.5 [INFO] [stderr] Compiling pest_generator v2.7.5 [INFO] [stderr] Compiling pest_derive v2.7.5 [INFO] [stderr] Checking py_literal v0.4.0 [INFO] [stderr] Checking ndarray-npy v0.8.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking rand_isaac v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ndarray-csv v0.5.2 [INFO] [stderr] Checking slog-json v2.6.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking env_logger v0.10.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking ndarray-stats v0.5.1 [INFO] [stderr] Checking argmin-math v0.3.0 [INFO] [stderr] Checking argmin v0.8.1 [INFO] [stderr] Checking ndarray-rand v0.14.0 [INFO] [stderr] Checking linfa-pls v0.7.0 [INFO] [stderr] Checking linfa-nn v0.7.0 [INFO] [stderr] Checking egobox-doe v0.13.0 [INFO] [stderr] Checking linfa-clustering v0.7.0 [INFO] [stderr] Checking cobyla v0.5.1 [INFO] [stderr] Checking egobox-gp v0.13.0 [INFO] [stderr] Checking egobox-moe v0.13.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Array2` is imported redundantly [INFO] [stdout] --> src/algorithm.rs:850:33 [INFO] [stdout] | [INFO] [stdout] 846 | use super::*; [INFO] [stdout] | -------- the item `Array2` is already imported here [INFO] [stdout] ... [INFO] [stdout] 850 | use ndarray::{array, Array, Array2, Zip}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Zip` is imported redundantly [INFO] [stdout] --> src/algorithm.rs:850:41 [INFO] [stdout] | [INFO] [stdout] 846 | use super::*; [INFO] [stdout] | -------- the item `Zip` is already imported here [INFO] [stdout] ... [INFO] [stdout] 850 | use ndarray::{array, Array, Array2, Zip}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SeedableRng` is imported redundantly [INFO] [stdout] --> src/algorithm.rs:852:9 [INFO] [stdout] | [INFO] [stdout] 846 | use super::*; [INFO] [stdout] | -------- the item `SeedableRng` is already imported here [INFO] [stdout] ... [INFO] [stdout] 852 | use ndarray_rand::rand::SeedableRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Xoshiro256Plus` is imported redundantly [INFO] [stdout] --> src/algorithm.rs:855:9 [INFO] [stdout] | [INFO] [stdout] 846 | use super::*; [INFO] [stdout] | -------- the item `Xoshiro256Plus` is already imported here [INFO] [stdout] ... [INFO] [stdout] 855 | use rand_xoshiro::Xoshiro256Plus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array1` is imported redundantly [INFO] [stdout] --> src/clustering.rs:385:26 [INFO] [stdout] | [INFO] [stdout] 378 | use super::*; [INFO] [stdout] | -------- the item `Array1` is already imported here [INFO] [stdout] ... [INFO] [stdout] 385 | use ndarray::{array, Array1, Array2, Axis, Zip}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array2` is imported redundantly [INFO] [stdout] --> src/clustering.rs:385:34 [INFO] [stdout] | [INFO] [stdout] 378 | use super::*; [INFO] [stdout] | -------- the item `Array2` is already imported here [INFO] [stdout] ... [INFO] [stdout] 385 | use ndarray::{array, Array1, Array2, Axis, Zip}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Axis` is imported redundantly [INFO] [stdout] --> src/clustering.rs:385:42 [INFO] [stdout] | [INFO] [stdout] 378 | use super::*; [INFO] [stdout] | -------- the item `Axis` is already imported here [INFO] [stdout] ... [INFO] [stdout] 385 | use ndarray::{array, Array1, Array2, Axis, Zip}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Zip` is imported redundantly [INFO] [stdout] --> src/clustering.rs:385:48 [INFO] [stdout] | [INFO] [stdout] 378 | use super::*; [INFO] [stdout] | -------- the item `Zip` is already imported here [INFO] [stdout] ... [INFO] [stdout] 385 | use ndarray::{array, Array1, Array2, Axis, Zip}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array` is imported redundantly [INFO] [stdout] --> src/gaussian_mixture.rs:310:26 [INFO] [stdout] | [INFO] [stdout] 307 | use super::*; [INFO] [stdout] | -------- the item `Array` is already imported here [INFO] [stdout] ... [INFO] [stdout] 310 | use ndarray::{array, Array, Array2}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array2` is imported redundantly [INFO] [stdout] --> src/gaussian_mixture.rs:310:33 [INFO] [stdout] | [INFO] [stdout] 307 | use super::*; [INFO] [stdout] | -------- the item `Array2` is already imported here [INFO] [stdout] ... [INFO] [stdout] 310 | use ndarray::{array, Array, Array2}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MoeVariancePredictor` is never constructed [INFO] [stdout] --> src/algorithm.rs:821:8 [INFO] [stdout] | [INFO] [stdout] 821 | struct MoeVariancePredictor<'a>(&'a Moe); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MoeVariancePredictor` is never constructed [INFO] [stdout] --> src/algorithm.rs:821:8 [INFO] [stdout] | [INFO] [stdout] 821 | struct MoeVariancePredictor<'a>(&'a Moe); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.95s [INFO] running `Command { std: "docker" "inspect" "32b035d67a9859aabde78f36d4999bfb0f33ac728493c69eebf78b286215dd5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32b035d67a9859aabde78f36d4999bfb0f33ac728493c69eebf78b286215dd5e", kill_on_drop: false }` [INFO] [stdout] 32b035d67a9859aabde78f36d4999bfb0f33ac728493c69eebf78b286215dd5e