[INFO] fetching crate rust-als 0.1.0...
[INFO] checking rust-als-0.1.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate rust-als 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rust-als 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-als 0.1.0
[INFO] finished tweaking crates.io crate rust-als 0.1.0
[INFO] tweaked toml for crates.io crate rust-als 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5397d96147a4bf6c65d55cb17f723d4325f07e914767a6e697c0da1c35b6591
[INFO] running `Command { std: "docker" "start" "-a" "b5397d96147a4bf6c65d55cb17f723d4325f07e914767a6e697c0da1c35b6591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5397d96147a4bf6c65d55cb17f723d4325f07e914767a6e697c0da1c35b6591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5397d96147a4bf6c65d55cb17f723d4325f07e914767a6e697c0da1c35b6591", kill_on_drop: false }`
[INFO] [stdout] b5397d96147a4bf6c65d55cb17f723d4325f07e914767a6e697c0da1c35b6591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70882d85669223e0ab19b9fd5c32586d0039ce11910fd75187683cffa1c4f3d3
[INFO] running `Command { std: "docker" "start" "-a" "70882d85669223e0ab19b9fd5c32586d0039ce11910fd75187683cffa1c4f3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking bytemuck v1.14.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ahash v0.7.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking rust-als v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Matrix`
[INFO] [stdout]  --> src/unit_testing.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use nalgebra::{DMatrix, Matrix};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/unit_testing.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut idf = Array1::<f64>::zeros((m));
[INFO] [stdout]    |                                            ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -         let mut idf = Array1::<f64>::zeros((m));
[INFO] [stdout] 87 +         let mut idf = Array1::<f64>::zeros(m);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/unit_testing.rs:88:59
[INFO] [stdout]    |
[INFO] [stdout] 88 |         data.iter().for_each(|(_, c, _)| { *idf.index_mut((*c)) += 1.0;});
[INFO] [stdout]    |                                                           ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -         data.iter().for_each(|(_, c, _)| { *idf.index_mut((*c)) += 1.0;});
[INFO] [stdout] 88 +         data.iter().for_each(|(_, c, _)| { *idf.index_mut(*c) += 1.0;});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/unit_testing.rs:92:53
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut length_norm =  Array1::<f64>::zeros((n));
[INFO] [stdout]    |                                                     ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -         let mut length_norm =  Array1::<f64>::zeros((n));
[INFO] [stdout] 92 +         let mut length_norm =  Array1::<f64>::zeros(n);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/unit_testing.rs:93:67
[INFO] [stdout]    |
[INFO] [stdout] 93 |         data.iter().for_each(|(r, _, _)| { *length_norm.index_mut((*r)) += 1.0;});
[INFO] [stdout]    |                                                                   ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -         data.iter().for_each(|(r, _, _)| { *length_norm.index_mut((*r)) += 1.0;});
[INFO] [stdout] 93 +         data.iter().for_each(|(r, _, _)| { *length_norm.index_mut(*r) += 1.0;});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `train_for_fill_missing` found for struct `ALS` in the current scope
[INFO] [stdout]    --> src/unit_testing.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         als.train_for_fill_missing(50);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ method not found in `ALS<f64>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/als.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | pub struct ALS<T> {
[INFO] [stdout]     | ----------------- method `train_for_fill_missing` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BenchmarkGroup`, `Benchmark`, `black_box`
[INFO] [stdout]  --> benches/bench_big_data.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion, Benchmark, BenchmarkGroup};
[INFO] [stdout]   |                 ^^^^^^^^^                                              ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random`
[INFO] [stdout]  --> benches/bench_big_data.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{random, Rng, thread_rng};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `criterion::Benchmark`: Please use BenchmarkGroups instead.
[INFO] [stdout]  --> benches/bench_big_data.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion, Benchmark, BenchmarkGroup};
[INFO] [stdout]   |                                                                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-als` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `bench_train_50K_200K_20` should have a snake case name
[INFO] [stdout]  --> benches/bench_big_data.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn bench_train_50K_200K_20(c : &mut Criterion) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bench_train_50_k_200_k_20`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/bench_big_data.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 als.add((i_n, i_m, thread_rng().gen_range(0.0..10.0)));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 let _ = als.add((i_n, i_m, thread_rng().gen_range(0.0..10.0)));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bench_pred_50K_200K_20` should have a snake case name
[INFO] [stdout]   --> benches/bench_big_data.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn bench_pred_50K_200K_20(c : &mut Criterion) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bench_pred_50_k_200_k_20`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/bench_big_data.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 als.add((i_n, i_m, thread_rng().gen_range(0.0..10.0)));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let _ = als.add((i_n, i_m, thread_rng().gen_range(0.0..10.0)));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70882d85669223e0ab19b9fd5c32586d0039ce11910fd75187683cffa1c4f3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70882d85669223e0ab19b9fd5c32586d0039ce11910fd75187683cffa1c4f3d3", kill_on_drop: false }`
[INFO] [stdout] 70882d85669223e0ab19b9fd5c32586d0039ce11910fd75187683cffa1c4f3d3
[INFO] checking rust-als-0.1.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate rust-als 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rust-als 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-als 0.1.0
[INFO] finished tweaking crates.io crate rust-als 0.1.0
[INFO] tweaked toml for crates.io crate rust-als 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb8572f0c3570ef843ca4cb9cfac8833acf6df09be31ba89239c3a37ad66fefd
[INFO] running `Command { std: "docker" "start" "-a" "fb8572f0c3570ef843ca4cb9cfac8833acf6df09be31ba89239c3a37ad66fefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb8572f0c3570ef843ca4cb9cfac8833acf6df09be31ba89239c3a37ad66fefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8572f0c3570ef843ca4cb9cfac8833acf6df09be31ba89239c3a37ad66fefd", kill_on_drop: false }`
[INFO] [stdout] fb8572f0c3570ef843ca4cb9cfac8833acf6df09be31ba89239c3a37ad66fefd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] f579191ed2976eae17b078bb6c6f3fc442bf1c03d44bb4ab6083d65e80af947a
[INFO] running `Command { std: "docker" "start" "-a" "f579191ed2976eae17b078bb6c6f3fc442bf1c03d44bb4ab6083d65e80af947a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking bytemuck v1.14.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ahash v0.7.7
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking rust-als v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Matrix`
[INFO] [stdout]  --> src/unit_testing.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use nalgebra::{DMatrix, Matrix};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/unit_testing.rs:87:44
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut idf = Array1::<f64>::zeros((m));
[INFO] [stdout]    |                                            ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -         let mut idf = Array1::<f64>::zeros((m));
[INFO] [stdout] 87 +         let mut idf = Array1::<f64>::zeros(m);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/unit_testing.rs:88:59
[INFO] [stdout]    |
[INFO] [stdout] 88 |         data.iter().for_each(|(_, c, _)| { *idf.index_mut((*c)) += 1.0;});
[INFO] [stdout]    |                                                           ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -         data.iter().for_each(|(_, c, _)| { *idf.index_mut((*c)) += 1.0;});
[INFO] [stdout] 88 +         data.iter().for_each(|(_, c, _)| { *idf.index_mut(*c) += 1.0;});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/unit_testing.rs:92:53
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut length_norm =  Array1::<f64>::zeros((n));
[INFO] [stdout]    |                                                     ^ ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -         let mut length_norm =  Array1::<f64>::zeros((n));
[INFO] [stdout] 92 +         let mut length_norm =  Array1::<f64>::zeros(n);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/unit_testing.rs:93:67
[INFO] [stdout]    |
[INFO] [stdout] 93 |         data.iter().for_each(|(r, _, _)| { *length_norm.index_mut((*r)) += 1.0;});
[INFO] [stdout]    |                                                                   ^  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 93 -         data.iter().for_each(|(r, _, _)| { *length_norm.index_mut((*r)) += 1.0;});
[INFO] [stdout] 93 +         data.iter().for_each(|(r, _, _)| { *length_norm.index_mut(*r) += 1.0;});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `train_for_fill_missing` found for struct `ALS` in the current scope
[INFO] [stdout]    --> src/unit_testing.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         als.train_for_fill_missing(50);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ method not found in `ALS<f64>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/als.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | pub struct ALS<T> {
[INFO] [stdout]     | ----------------- method `train_for_fill_missing` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-als` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused imports: `BenchmarkGroup`, `Benchmark`, `black_box`
[INFO] [stdout]  --> benches/bench_big_data.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion, Benchmark, BenchmarkGroup};
[INFO] [stdout]   |                 ^^^^^^^^^                                              ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random`
[INFO] [stdout]  --> benches/bench_big_data.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{random, Rng, thread_rng};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `criterion::Benchmark`: Please use BenchmarkGroups instead.
[INFO] [stdout]  --> benches/bench_big_data.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion, Benchmark, BenchmarkGroup};
[INFO] [stdout]   |                                                                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bench_train_50K_200K_20` should have a snake case name
[INFO] [stdout]  --> benches/bench_big_data.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn bench_train_50K_200K_20(c : &mut Criterion) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bench_train_50_k_200_k_20`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/bench_big_data.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 als.add((i_n, i_m, thread_rng().gen_range(0.0..10.0)));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 let _ = als.add((i_n, i_m, thread_rng().gen_range(0.0..10.0)));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bench_pred_50K_200K_20` should have a snake case name
[INFO] [stdout]   --> benches/bench_big_data.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn bench_pred_50K_200K_20(c : &mut Criterion) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bench_pred_50_k_200_k_20`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/bench_big_data.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 als.add((i_n, i_m, thread_rng().gen_range(0.0..10.0)));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 let _ = als.add((i_n, i_m, thread_rng().gen_range(0.0..10.0)));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f579191ed2976eae17b078bb6c6f3fc442bf1c03d44bb4ab6083d65e80af947a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f579191ed2976eae17b078bb6c6f3fc442bf1c03d44bb4ab6083d65e80af947a", kill_on_drop: false }`
[INFO] [stdout] f579191ed2976eae17b078bb6c6f3fc442bf1c03d44bb4ab6083d65e80af947a
