[INFO] fetching crate linfa-datasets 0.7.1...
[INFO] testing linfa-datasets-0.7.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate linfa-datasets 0.7.1 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linfa-datasets 0.7.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding linfa v0.7.1 (available: v0.8.0)
[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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded ndarray-csv v0.5.1
[INFO] [stderr]   Downloaded simba v0.6.0
[INFO] [stderr]   Downloaded sprs v0.11.1
[INFO] [stderr]   Downloaded statrs v0.16.1
[INFO] [stderr]   Downloaded linfa v0.7.1
[INFO] [stderr]   Downloaded nalgebra v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b910bdfac4c43d55b1d1b20fb5d80b5ce98013225442cf6cf49aab1342fdb51
[INFO] running `Command { std: "docker" "start" "-a" "4b910bdfac4c43d55b1d1b20fb5d80b5ce98013225442cf6cf49aab1342fdb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b910bdfac4c43d55b1d1b20fb5d80b5ce98013225442cf6cf49aab1342fdb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b910bdfac4c43d55b1d1b20fb5d80b5ce98013225442cf6cf49aab1342fdb51", kill_on_drop: false }`
[INFO] [stdout] 4b910bdfac4c43d55b1d1b20fb5d80b5ce98013225442cf6cf49aab1342fdb51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49bdf710e1338a3756d4460f5ef220e35d772516b302d2c0c9d746df585b1dc4
[INFO] running `Command { std: "docker" "start" "-a" "49bdf710e1338a3756d4460f5ef220e35d772516b302d2c0c9d746df585b1dc4", kill_on_drop: false }`
[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 memchr v2.7.6
[INFO] [stderr]    Compiling linfa v0.7.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling sprs v0.11.1
[INFO] [stderr]    Compiling ndarray-csv v0.5.1
[INFO] [stderr]    Compiling 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "49bdf710e1338a3756d4460f5ef220e35d772516b302d2c0c9d746df585b1dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bdf710e1338a3756d4460f5ef220e35d772516b302d2c0c9d746df585b1dc4", kill_on_drop: false }`
[INFO] [stdout] 49bdf710e1338a3756d4460f5ef220e35d772516b302d2c0c9d746df585b1dc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 130aac344d2856dd37b0ad21fd7408fe94707b3e6c6736b14309a486e15fb9fe
[INFO] running `Command { std: "docker" "start" "-a" "130aac344d2856dd37b0ad21fd7408fe94707b3e6c6736b14309a486e15fb9fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand_distr v0.4.3
[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]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling nalgebra v0.29.0
[INFO] [stderr]    Compiling statrs v0.16.1
[INFO] [stderr]    Compiling 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] [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 `test` profile [unoptimized + debuginfo] target(s) in 19.30s
[INFO] running `Command { std: "docker" "inspect" "130aac344d2856dd37b0ad21fd7408fe94707b3e6c6736b14309a486e15fb9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130aac344d2856dd37b0ad21fd7408fe94707b3e6c6736b14309a486e15fb9fe", kill_on_drop: false }`
[INFO] [stdout] 130aac344d2856dd37b0ad21fd7408fe94707b3e6c6736b14309a486e15fb9fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cfec3c7119e4e1927e37c35ab4d7f640dc0b4172ca018b7ff47cb72e8fca0b5
[INFO] running `Command { std: "docker" "start" "-a" "1cfec3c7119e4e1927e37c35ab4d7f640dc0b4172ca018b7ff47cb72e8fca0b5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `linfa::Dataset`
[INFO] [stdout] 
[INFO] [stderr]  --> src/dataset.rs:5:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 5 | use linfa::Dataset;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linfa-datasets` (lib) generated 1 warning (run `cargo fix --lib -p linfa-datasets` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/dataset.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `approx::assert_abs_diff_eq`
[INFO] [stderr]    --> src/dataset.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     use approx::assert_abs_diff_eq;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `linfa::prelude::*`
[INFO] [stderr]    --> src/dataset.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |     use linfa::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `linfa-datasets` (lib test) generated 4 warnings (1 duplicate) (run `cargo fix --lib -p linfa-datasets --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linfa_datasets-b4f61b1ead6fe784)
[INFO] [stderr]    Doc-tests linfa_datasets
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ignored
[INFO] [stdout] test src/lib.rs - (line 32) ... ignored
[INFO] [stdout] test src/lib.rs - (line 40) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cfec3c7119e4e1927e37c35ab4d7f640dc0b4172ca018b7ff47cb72e8fca0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfec3c7119e4e1927e37c35ab4d7f640dc0b4172ca018b7ff47cb72e8fca0b5", kill_on_drop: false }`
[INFO] [stdout] 1cfec3c7119e4e1927e37c35ab4d7f640dc0b4172ca018b7ff47cb72e8fca0b5