[INFO] updating cached repository jaredforth/drake_equation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jaredforth/drake_equation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jaredforth/drake_equation" "work/ex/clippy-test-run/sources/stable/gh/jaredforth/drake_equation"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jaredforth/drake_equation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jaredforth/drake_equation" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaredforth/drake_equation"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaredforth/drake_equation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52216454ee23b55d50c4d0a23ac6b3b0e10fe853
[INFO] sha for GitHub repo jaredforth/drake_equation: 52216454ee23b55d50c4d0a23ac6b3b0e10fe853
[INFO] validating manifest of jaredforth/drake_equation 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 jaredforth/drake_equation 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 jaredforth/drake_equation
[INFO] finished frobbing jaredforth/drake_equation
[INFO] frobbed toml for jaredforth/drake_equation written to work/ex/clippy-test-run/sources/stable/gh/jaredforth/drake_equation/Cargo.toml
[INFO] started frobbing jaredforth/drake_equation
[INFO] finished frobbing jaredforth/drake_equation
[INFO] frobbed toml for jaredforth/drake_equation written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaredforth/drake_equation/Cargo.toml
[INFO] crate jaredforth/drake_equation has a lockfile. skipping
[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 jaredforth/drake_equation against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jaredforth/drake_equation:/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] b4f40b21e6ee755999934c4d63f7a29c07cba0e2849da5377039a9807a1dc691
[INFO] running `"docker" "start" "-a" "b4f40b21e6ee755999934c4d63f7a29c07cba0e2849da5377039a9807a1dc691"`
[INFO] [stderr]    Compiling ryu v0.2.3
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking drake_equation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         return data;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             return e;
[INFO] [stderr]     |             ^^^^^^^^^ help: remove `return` as shown: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:83:12
[INFO] [stderr]     |
[INFO] [stderr] 83  |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 84  | |         if args.len() == 8 {
[INFO] [stderr] 85  | |             let r: f64 = args[1].trim().parse()
[INFO] [stderr] 86  | |                 .expect("Not a number");
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |         }
[INFO] [stderr] 107 | |     } 
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 83  |     } else if args.len() == 8 {
[INFO] [stderr] 84  |     let r: f64 = args[1].trim().parse()
[INFO] [stderr] 85  |         .expect("Not a number");
[INFO] [stderr] 86  |     let fp: f64 = args[2].trim().parse()
[INFO] [stderr] 87  |         .expect("Not a number");
[INFO] [stderr] 88  |     let ne: f64 = args[3].trim().parse()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     return data;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `data`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     return n;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         return data;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             return e;
[INFO] [stderr]     |             ^^^^^^^^^ help: remove `return` as shown: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:83:12
[INFO] [stderr]     |
[INFO] [stderr] 83  |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 84  | |         if args.len() == 8 {
[INFO] [stderr] 85  | |             let r: f64 = args[1].trim().parse()
[INFO] [stderr] 86  | |                 .expect("Not a number");
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |         }
[INFO] [stderr] 107 | |     } 
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 83  |     } else if args.len() == 8 {
[INFO] [stderr] 84  |     let r: f64 = args[1].trim().parse()
[INFO] [stderr] 85  |         .expect("Not a number");
[INFO] [stderr] 86  |     let fp: f64 = args[2].trim().parse()
[INFO] [stderr] 87  |         .expect("Not a number");
[INFO] [stderr] 88  |     let ne: f64 = args[3].trim().parse()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     return data;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `data`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     return n;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `n`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.98s
[INFO] running `"docker" "inspect" "b4f40b21e6ee755999934c4d63f7a29c07cba0e2849da5377039a9807a1dc691"`
[INFO] running `"docker" "rm" "-f" "b4f40b21e6ee755999934c4d63f7a29c07cba0e2849da5377039a9807a1dc691"`
[INFO] [stdout] b4f40b21e6ee755999934c4d63f7a29c07cba0e2849da5377039a9807a1dc691