[INFO] crate mmap-fixed 0.1.5 is already in cache
[INFO] extracting crate mmap-fixed 0.1.5 into work/ex/clippy-test-run/sources/stable/reg/mmap-fixed/0.1.5
[INFO] extracting crate mmap-fixed 0.1.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mmap-fixed/0.1.5
[INFO] validating manifest of mmap-fixed-0.1.5 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 mmap-fixed-0.1.5 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 mmap-fixed-0.1.5
[INFO] finished frobbing mmap-fixed-0.1.5
[INFO] frobbed toml for mmap-fixed-0.1.5 written to work/ex/clippy-test-run/sources/stable/reg/mmap-fixed/0.1.5/Cargo.toml
[INFO] started frobbing mmap-fixed-0.1.5
[INFO] finished frobbing mmap-fixed-0.1.5
[INFO] frobbed toml for mmap-fixed-0.1.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mmap-fixed/0.1.5/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 mmap-fixed-0.1.5 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/mmap-fixed/0.1.5:/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] 947353b521d6be5e33e7333149c794f4eacdbeb31342b5605108357f72462311
[INFO] running `"docker" "start" "-a" "947353b521d6be5e33e7333149c794f4eacdbeb31342b5605108357f72462311"`
[INFO] [stderr]     Checking mmap-fixed v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:250:16
[INFO] [stderr]     |
[INFO] [stderr] 250 |                len: len,
[INFO] [stderr]     |                ^^^^^^^^ help: replace it with: `len`
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:250:16
[INFO] [stderr]     |
[INFO] [stderr] 250 |                len: len,
[INFO] [stderr]     |                ^^^^^^^^ help: replace it with: `len`
[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:349:24
[INFO] [stderr]     |
[INFO] [stderr] 349 |                        len: len,
[INFO] [stderr]     |                        ^^^^^^^^ help: replace it with: `len`
[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:368:20
[INFO] [stderr]     |
[INFO] [stderr] 368 |                    len: len,
[INFO] [stderr]     |                    ^^^^^^^^ help: replace it with: `len`
[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]     |
[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:349:24
[INFO] [stderr]     |
[INFO] [stderr] 349 |                        len: len,
[INFO] [stderr]     |                        ^^^^^^^^ help: replace it with: `len`
[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:368:20
[INFO] [stderr]     |
[INFO] [stderr] 368 |                    len: len,
[INFO] [stderr]     |                    ^^^^^^^^ help: replace it with: `len`
[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: item `MemoryMap` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:417:1
[INFO] [stderr]     |
[INFO] [stderr] 417 | / impl MemoryMap {
[INFO] [stderr] 418 | |     /// Returns the pointer to the memory created or modified by this map.
[INFO] [stderr] 419 | |     #[inline(always)]
[INFO] [stderr] 420 | |     pub fn data(&self) -> *mut u8 { self.data }
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |     pub fn kind(&self) -> MemoryMapKind { self.kind }
[INFO] [stderr] 428 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: item `MemoryMap` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:417:1
[INFO] [stderr]     |
[INFO] [stderr] 417 | / impl MemoryMap {
[INFO] [stderr] 418 | |     /// Returns the pointer to the memory created or modified by this map.
[INFO] [stderr] 419 | |     #[inline(always)]
[INFO] [stderr] 420 | |     pub fn data(&self) -> *mut u8 { self.data }
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |     pub fn kind(&self) -> MemoryMapKind { self.kind }
[INFO] [stderr] 428 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:484:9
[INFO] [stderr]     |
[INFO] [stderr] 484 |         file.write(b"\0").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mmap-fixed`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "947353b521d6be5e33e7333149c794f4eacdbeb31342b5605108357f72462311"`
[INFO] running `"docker" "rm" "-f" "947353b521d6be5e33e7333149c794f4eacdbeb31342b5605108357f72462311"`
[INFO] [stdout] 947353b521d6be5e33e7333149c794f4eacdbeb31342b5605108357f72462311