[INFO] crate cem 0.1.0 is already in cache
[INFO] extracting crate cem 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/cem/0.1.0
[INFO] extracting crate cem 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cem/0.1.0
[INFO] validating manifest of cem-0.1.0 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 cem-0.1.0 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 cem-0.1.0
[INFO] finished frobbing cem-0.1.0
[INFO] frobbed toml for cem-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/cem/0.1.0/Cargo.toml
[INFO] started frobbing cem-0.1.0
[INFO] finished frobbing cem-0.1.0
[INFO] frobbed toml for cem-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cem/0.1.0/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 cem-0.1.0 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/reg/cem/0.1.0:/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] 707c77c7a0a17cfbf21dc3c310a99c8d802cf9a0dee7991d02f2439a5c5e7dc3
[INFO] running `"docker" "start" "-a" "707c77c7a0a17cfbf21dc3c310a99c8d802cf9a0dee7991d02f2439a5c5e7dc3"`
[INFO] [stderr]     Checking cem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/lib.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const MAGIC: u32 = 0x464D5353;
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `0x464D_5353`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/lib.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const MAGIC: u32 = 0x464D5353;
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `0x464D_5353`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/v2.rs:61:6
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if self.materials.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.materials.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/v2.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |         if self.lod_levels.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.lod_levels.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/v2.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if self.frames.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.frames.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/v2.rs:242:18
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn write<W>(&self, w: &mut W) -> io::Result<()> where W: Write {
[INFO] [stderr]     |                     ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/encode.rs:61:56
[INFO] [stderr]    |
[INFO] [stderr] 61 |         w.write_u8(if char < '\u{256}' { char as u8 } else { '?' as u8 })?;
[INFO] [stderr]    |                                                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'?'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/v2.rs:61:6
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if self.materials.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.materials.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/v2.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |         if self.lod_levels.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.lod_levels.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/v2.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if self.frames.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.frames.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/v2.rs:242:18
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn write<W>(&self, w: &mut W) -> io::Result<()> where W: Write {
[INFO] [stderr]     |                     ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/encode.rs:61:56
[INFO] [stderr]    |
[INFO] [stderr] 61 |         w.write_u8(if char < '\u{256}' { char as u8 } else { '?' as u8 })?;
[INFO] [stderr]    |                                                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'?'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/bin/report.rs:35:71
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let radius_eq = (collider.radius - frame.collider.radius).abs() < 0.0000005;
[INFO] [stderr]    |                                                                                   ^^^^^^^^^ help: consider: `0.000_000_5`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/bin/report.rs:35:71
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let radius_eq = (collider.radius - frame.collider.radius).abs() < 0.0000005;
[INFO] [stderr]    |                                                                                   ^^^^^^^^^ help: consider: `0.000_000_5`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `"docker" "inspect" "707c77c7a0a17cfbf21dc3c310a99c8d802cf9a0dee7991d02f2439a5c5e7dc3"`
[INFO] running `"docker" "rm" "-f" "707c77c7a0a17cfbf21dc3c310a99c8d802cf9a0dee7991d02f2439a5c5e7dc3"`
[INFO] [stdout] 707c77c7a0a17cfbf21dc3c310a99c8d802cf9a0dee7991d02f2439a5c5e7dc3