[INFO] crate rust-tfidf 1.0.4 is already in cache
[INFO] extracting crate rust-tfidf 1.0.4 into work/ex/clippy-test-run/sources/stable/reg/rust-tfidf/1.0.4
[INFO] extracting crate rust-tfidf 1.0.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rust-tfidf/1.0.4
[INFO] validating manifest of rust-tfidf-1.0.4 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-tfidf-1.0.4 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-tfidf-1.0.4
[INFO] finished frobbing rust-tfidf-1.0.4
[INFO] frobbed toml for rust-tfidf-1.0.4 written to work/ex/clippy-test-run/sources/stable/reg/rust-tfidf/1.0.4/Cargo.toml
[INFO] started frobbing rust-tfidf-1.0.4
[INFO] finished frobbing rust-tfidf-1.0.4
[INFO] frobbed toml for rust-tfidf-1.0.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rust-tfidf/1.0.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting rust-tfidf-1.0.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rust-tfidf/1.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b4dcff52f6f194557bdf9d3845871d024bfbb1fc35a776b6d2f94a1c0d31ff0
[INFO] running `"docker" "start" "-a" "8b4dcff52f6f194557bdf9d3845871d024bfbb1fc35a776b6d2f94a1c0d31ff0"`
[INFO] [stderr]     Checking rust-tfidf v1.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `num::traits::Float`
[INFO] [stderr]  --> src/tf.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use num::traits::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/idf.rs:119:27
[INFO] [stderr]     |
[INFO] [stderr] 119 |     (1f64 + (max as f64 / num_docs as f64)).ln()
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ help: try: `f64::from(num_docs)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::traits::Float`
[INFO] [stderr]  --> src/tf.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use num::traits::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/idf.rs:119:27
[INFO] [stderr]     |
[INFO] [stderr] 119 |     (1f64 + (max as f64 / num_docs as f64)).ln()
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^ help: try: `f64::from(num_docs)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/idf.rs:130:3
[INFO] [stderr]     |
[INFO] [stderr] 130 |   assert_eq!(UnaryIdf::idf("this", docs.iter()), 1f64);
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/idf.rs:130:3
[INFO] [stderr]     |
[INFO] [stderr] 130 |   assert_eq!(UnaryIdf::idf("this", docs.iter()), 1f64);
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/idf.rs:131:3
[INFO] [stderr]     |
[INFO] [stderr] 131 |   assert_eq!(InverseFrequencyIdf::idf("this", docs.iter()), 0f64);
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/idf.rs:131:3
[INFO] [stderr]     |
[INFO] [stderr] 131 |   assert_eq!(InverseFrequencyIdf::idf("this", docs.iter()), 0f64);
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-tfidf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8b4dcff52f6f194557bdf9d3845871d024bfbb1fc35a776b6d2f94a1c0d31ff0"`
[INFO] running `"docker" "rm" "-f" "8b4dcff52f6f194557bdf9d3845871d024bfbb1fc35a776b6d2f94a1c0d31ff0"`
[INFO] [stdout] 8b4dcff52f6f194557bdf9d3845871d024bfbb1fc35a776b6d2f94a1c0d31ff0