[INFO] crate littletest 0.2.2 is already in cache
[INFO] extracting crate littletest 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/littletest/0.2.2
[INFO] extracting crate littletest 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/littletest/0.2.2
[INFO] validating manifest of littletest-0.2.2 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 littletest-0.2.2 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 littletest-0.2.2
[INFO] finished frobbing littletest-0.2.2
[INFO] frobbed toml for littletest-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/littletest/0.2.2/Cargo.toml
[INFO] started frobbing littletest-0.2.2
[INFO] finished frobbing littletest-0.2.2
[INFO] frobbed toml for littletest-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/littletest/0.2.2/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 littletest-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/littletest/0.2.2:/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] 77f95873374001de16283a1e5ff5180740419c5e4a358b082cf2f1b53fc35b63
[INFO] running `"docker" "start" "-a" "77f95873374001de16283a1e5ff5180740419c5e4a358b082cf2f1b53fc35b63"`
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking littletest v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/reporters.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 |         CompositeReporter { reporters: reporters }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `reporters`
[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/reporters.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             time_s: time_s,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `time_s`
[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:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |         TestRunner { parallelism: parallelism }
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parallelism`
[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/reporters.rs:18:29
[INFO] [stderr]    |
[INFO] [stderr] 18 |         CompositeReporter { reporters: reporters }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `reporters`
[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/reporters.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             time_s: time_s,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `time_s`
[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:22:22
[INFO] [stderr]    |
[INFO] [stderr] 22 |         TestRunner { parallelism: parallelism }
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parallelism`
[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: digits grouped inconsistently by underscores
[INFO] [stderr]   --> src/reporters.rs:92:81
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let time_s = elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 / 1000_000_000f64;
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^ help: consider: `1_000_000_000f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::inconsistent_digit_grouping)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inconsistent_digit_grouping
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/reporters.rs:92:49
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let time_s = elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 / 1000_000_000f64;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(elapsed.subsec_nanos())`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[Box<Runnable + Sync + 'run>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/lib.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for result in tests.into_iter().map(|test| test.run()) {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: digits grouped inconsistently by underscores
[INFO] [stderr]   --> src/reporters.rs:92:81
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let time_s = elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 / 1000_000_000f64;
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^ help: consider: `1_000_000_000f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::inconsistent_digit_grouping)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inconsistent_digit_grouping
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/reporters.rs:92:49
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let time_s = elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 / 1000_000_000f64;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(elapsed.subsec_nanos())`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[Box<Runnable + Sync + 'run>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/lib.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for result in tests.into_iter().map(|test| test.run()) {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> tests/lib.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |         TestCase { result: result }
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: replace it with: `result`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `"docker" "inspect" "77f95873374001de16283a1e5ff5180740419c5e4a358b082cf2f1b53fc35b63"`
[INFO] running `"docker" "rm" "-f" "77f95873374001de16283a1e5ff5180740419c5e4a358b082cf2f1b53fc35b63"`
[INFO] [stdout] 77f95873374001de16283a1e5ff5180740419c5e4a358b082cf2f1b53fc35b63