[INFO] fetching crate linfa-datasets 0.7.1...
[INFO] checking linfa-datasets-0.7.1 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate linfa-datasets 0.7.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate linfa-datasets 0.7.1 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linfa-datasets 0.7.1
[INFO] finished tweaking crates.io crate linfa-datasets 0.7.1
[INFO] tweaked toml for crates.io crate linfa-datasets 0.7.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] [stderr]       Adding ndarray-csv v0.5.1 (available: v0.5.3)
[INFO] [stderr]       Adding ndarray-rand v0.14.0 (available: v0.15.0)
[INFO] [stderr]       Adding sprs v0.11.1 (available: v0.11.3)
[INFO] [stderr]       Adding statrs v0.16.1 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-csv v0.5.1
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded csv-core v0.1.12
[INFO] [stderr]   Downloaded simba v0.6.0
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded wide v0.7.32
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] [stderr]   Downloaded safe_arch v0.7.4
[INFO] [stderr]   Downloaded matrixmultiply v0.3.9
[INFO] [stderr]   Downloaded sprs v0.11.1
[INFO] [stderr]   Downloaded linfa v0.7.1
[INFO] [stderr]   Downloaded statrs v0.16.1
[INFO] [stderr]   Downloaded libm v0.2.13
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded nalgebra v0.29.0
[INFO] [stderr]   Downloaded csv v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7e5839651a76c4819f16bf43dfd65fc0ddacf5b5d0c8fdf61d8ead7dfd78d38
[INFO] running `Command { std: "docker" "start" "-a" "d7e5839651a76c4819f16bf43dfd65fc0ddacf5b5d0c8fdf61d8ead7dfd78d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7e5839651a76c4819f16bf43dfd65fc0ddacf5b5d0c8fdf61d8ead7dfd78d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e5839651a76c4819f16bf43dfd65fc0ddacf5b5d0c8fdf61d8ead7dfd78d38", kill_on_drop: false }`
[INFO] [stdout] d7e5839651a76c4819f16bf43dfd65fc0ddacf5b5d0c8fdf61d8ead7dfd78d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72d4f35c5fa85a51ece057994cf6d377990fa789b82960188562be22ea2c33ef
[INFO] running `Command { std: "docker" "start" "-a" "72d4f35c5fa85a51ece057994cf6d377990fa789b82960188562be22ea2c33ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]    Compiling linfa v0.7.1
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]     Checking wide v0.7.32
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking sprs v0.11.1
[INFO] [stderr]     Checking ndarray-csv v0.5.1
[INFO] [stderr]     Checking linfa-datasets v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `linfa::Dataset`
[INFO] [stdout]  --> src/dataset.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use linfa::Dataset;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking statrs v0.16.1
[INFO] [stdout] warning: unused import: `linfa::Dataset`
[INFO] [stdout]  --> src/dataset.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use linfa::Dataset;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/dataset.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `approx::assert_abs_diff_eq`
[INFO] [stdout]    --> src/dataset.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     use approx::assert_abs_diff_eq;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linfa::prelude::*`
[INFO] [stdout]    --> src/dataset.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     use linfa::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.18s
[INFO] running `Command { std: "docker" "inspect" "72d4f35c5fa85a51ece057994cf6d377990fa789b82960188562be22ea2c33ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d4f35c5fa85a51ece057994cf6d377990fa789b82960188562be22ea2c33ef", kill_on_drop: false }`
[INFO] [stdout] 72d4f35c5fa85a51ece057994cf6d377990fa789b82960188562be22ea2c33ef