[INFO] crate cryptohash 0.7.0 is already in cache
[INFO] extracting crate cryptohash 0.7.0 into work/ex/clippy-test-run/sources/stable/reg/cryptohash/0.7.0
[INFO] extracting crate cryptohash 0.7.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cryptohash/0.7.0
[INFO] validating manifest of cryptohash-0.7.0 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 cryptohash-0.7.0 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 cryptohash-0.7.0
[INFO] finished frobbing cryptohash-0.7.0
[INFO] frobbed toml for cryptohash-0.7.0 written to work/ex/clippy-test-run/sources/stable/reg/cryptohash/0.7.0/Cargo.toml
[INFO] started frobbing cryptohash-0.7.0
[INFO] finished frobbing cryptohash-0.7.0
[INFO] frobbed toml for cryptohash-0.7.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cryptohash/0.7.0/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 cryptohash-0.7.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cryptohash/0.7.0:/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] 4db5928acc0b282b3ab11c57a38cce876760d2996e6d49e20259fcc40474a292
[INFO] running `"docker" "start" "-a" "4db5928acc0b282b3ab11c57a38cce876760d2996e6d49e20259fcc40474a292"`
[INFO] [stderr]     Checking cryptohash v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/blake2b.rs:67:18
[INFO] [stderr]    |
[INFO] [stderr] 67 |         for i in 0..bytes.len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: try replacing the loop by: `bytes.clone_from_slice(&resultbytes[..bytes.len()])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/blake2b.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     fn as_ref<'a>(&'a self) -> &'a [u8] {
[INFO] [stderr] 76 | |         &self.0
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/blake2b.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     fn as_mut<'a>(&'a mut self) -> &'a mut [u8] {
[INFO] [stderr] 82 | |         &mut self.0
[INFO] [stderr] 83 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/blake2b.rs:67:18
[INFO] [stderr]    |
[INFO] [stderr] 67 |         for i in 0..bytes.len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: try replacing the loop by: `bytes.clone_from_slice(&resultbytes[..bytes.len()])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/blake2b.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     fn as_ref<'a>(&'a self) -> &'a [u8] {
[INFO] [stderr] 76 | |         &self.0
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/blake2b.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     fn as_mut<'a>(&'a mut self) -> &'a mut [u8] {
[INFO] [stderr] 82 | |         &mut self.0
[INFO] [stderr] 83 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         state.write(b"hello world").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 `cryptohash`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4db5928acc0b282b3ab11c57a38cce876760d2996e6d49e20259fcc40474a292"`
[INFO] running `"docker" "rm" "-f" "4db5928acc0b282b3ab11c57a38cce876760d2996e6d49e20259fcc40474a292"`
[INFO] [stdout] 4db5928acc0b282b3ab11c57a38cce876760d2996e6d49e20259fcc40474a292