[INFO] updating cached repository hurwitzlab/kmer_frequencies
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hurwitzlab/kmer_frequencies
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hurwitzlab/kmer_frequencies" "work/ex/clippy-test-run/sources/stable/gh/hurwitzlab/kmer_frequencies"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hurwitzlab/kmer_frequencies'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hurwitzlab/kmer_frequencies" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hurwitzlab/kmer_frequencies"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hurwitzlab/kmer_frequencies'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a3e829692619ac06cd67090afc64be3198e494c0
[INFO] sha for GitHub repo hurwitzlab/kmer_frequencies: a3e829692619ac06cd67090afc64be3198e494c0
[INFO] validating manifest of hurwitzlab/kmer_frequencies 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 hurwitzlab/kmer_frequencies 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 hurwitzlab/kmer_frequencies
[INFO] finished frobbing hurwitzlab/kmer_frequencies
[INFO] frobbed toml for hurwitzlab/kmer_frequencies written to work/ex/clippy-test-run/sources/stable/gh/hurwitzlab/kmer_frequencies/Cargo.toml
[INFO] started frobbing hurwitzlab/kmer_frequencies
[INFO] finished frobbing hurwitzlab/kmer_frequencies
[INFO] frobbed toml for hurwitzlab/kmer_frequencies written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hurwitzlab/kmer_frequencies/Cargo.toml
[INFO] crate hurwitzlab/kmer_frequencies has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting hurwitzlab/kmer_frequencies against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/hurwitzlab/kmer_frequencies:/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] c1192ec1d82f78d8bd0f23d1bff161b16643ec18bd7f2946f14c96006f5cfaa8
[INFO] running `"docker" "start" "-a" "c1192ec1d82f78d8bd0f23d1bff161b16643ec18bd7f2946f14c96006f5cfaa8"`
[INFO] [stderr]    Compiling serde v1.0.72
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking statrs v0.9.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking ndarray v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.72
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking bv v0.7.4
[INFO] [stderr]     Checking bio-types v0.2.0
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bio v0.22.0
[INFO] [stderr]     Checking kmer_frequencies v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         format: format,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `format`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         out_dir: out_dir,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `out_dir`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         kmer_size: kmer_size,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `kmer_size`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         format: format,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `format`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         out_dir: out_dir,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `out_dir`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         kmer_size: kmer_size,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `kmer_size`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 |                     **c as f64
[INFO] [stderr]    |                     ^^^^^^^^^^ help: try: `f64::from(**c)`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     0 as f64
[INFO] [stderr]    |                     ^^^^^^^^ help: try: `f64::from(0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 |                     **c as f64
[INFO] [stderr]    |                     ^^^^^^^^^^ help: try: `f64::from(**c)`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     0 as f64
[INFO] [stderr]    |                     ^^^^^^^^ help: try: `f64::from(0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.28s
[INFO] running `"docker" "inspect" "c1192ec1d82f78d8bd0f23d1bff161b16643ec18bd7f2946f14c96006f5cfaa8"`
[INFO] running `"docker" "rm" "-f" "c1192ec1d82f78d8bd0f23d1bff161b16643ec18bd7f2946f14c96006f5cfaa8"`
[INFO] [stdout] c1192ec1d82f78d8bd0f23d1bff161b16643ec18bd7f2946f14c96006f5cfaa8