[INFO] crate clams 0.0.13 is already in cache
[INFO] extracting crate clams 0.0.13 into work/ex/clippy-test-run/sources/stable/reg/clams/0.0.13
[INFO] extracting crate clams 0.0.13 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/clams/0.0.13
[INFO] validating manifest of clams-0.0.13 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 clams-0.0.13 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 clams-0.0.13
[INFO] finished frobbing clams-0.0.13
[INFO] frobbed toml for clams-0.0.13 written to work/ex/clippy-test-run/sources/stable/reg/clams/0.0.13/Cargo.toml
[INFO] started frobbing clams-0.0.13
[INFO] finished frobbing clams-0.0.13
[INFO] frobbed toml for clams-0.0.13 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/clams/0.0.13/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 clams-0.0.13 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/clams/0.0.13:/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] fa8d791330fe13abdef8ab7d1715237bd88c6742f9c6270b42288d12f99c3c34
[INFO] running `"docker" "start" "-a" "fa8d791330fe13abdef8ab7d1715237bd88c6742f9c6270b42288d12f99c3c34"`
[INFO] [stderr]     Checking fern v0.5.7
[INFO] [stderr]     Checking subprocess v0.1.18
[INFO] [stderr]     Checking inotify v0.5.1
[INFO] [stderr]    Compiling clams-derive v0.0.4
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking tail v0.3.0
[INFO] [stderr]     Checking clams v0.0.13 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:182:28
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn set_color_off() -> () {
[INFO] [stderr]     |                            ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:186:32
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn set_color(on: bool) -> () {
[INFO] [stderr]     |                                ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/lib.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         env::home_dir()
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:169:24
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let question = format!("{}", prompt);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `prompt.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:274:83
[INFO] [stderr]     |
[INFO] [stderr] 274 |             let line = buffer.lines().last().map(|s| s.to_owned()).unwrap_or_else(|| String::new());
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:182:28
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn set_color_off() -> () {
[INFO] [stderr]     |                            ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/lib.rs:186:32
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn set_color(on: bool) -> () {
[INFO] [stderr]     |                                ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/lib.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         env::home_dir()
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:134:35
[INFO] [stderr]     |
[INFO] [stderr] 134 |             let mut home_config = PathBuf::from(home_dir);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `home_dir`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/lib.rs:169:24
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let question = format!("{}", prompt);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `prompt.to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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] warning: equality checks against false can be replaced by a negation
[INFO] [stderr]    --> src/lib.rs:234:39
[INFO] [stderr]     |
[INFO] [stderr] 234 |                 TestResult::from_bool(res == false)
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: try simplifying it as shown: `!res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:274:83
[INFO] [stderr]     |
[INFO] [stderr] 274 |             let line = buffer.lines().last().map(|s| s.to_owned()).unwrap_or_else(|| String::new());
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.71s
[INFO] running `"docker" "inspect" "fa8d791330fe13abdef8ab7d1715237bd88c6742f9c6270b42288d12f99c3c34"`
[INFO] running `"docker" "rm" "-f" "fa8d791330fe13abdef8ab7d1715237bd88c6742f9c6270b42288d12f99c3c34"`
[INFO] [stdout] fa8d791330fe13abdef8ab7d1715237bd88c6742f9c6270b42288d12f99c3c34