[INFO] crate hmac-drbg 0.1.2 is already in cache
[INFO] extracting crate hmac-drbg 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/hmac-drbg/0.1.2
[INFO] extracting crate hmac-drbg 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hmac-drbg/0.1.2
[INFO] validating manifest of hmac-drbg-0.1.2 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 hmac-drbg-0.1.2 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 hmac-drbg-0.1.2
[INFO] finished frobbing hmac-drbg-0.1.2
[INFO] frobbed toml for hmac-drbg-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/hmac-drbg/0.1.2/Cargo.toml
[INFO] started frobbing hmac-drbg-0.1.2
[INFO] finished frobbing hmac-drbg-0.1.2
[INFO] frobbed toml for hmac-drbg-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hmac-drbg/0.1.2/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 hmac-drbg-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/hmac-drbg/0.1.2:/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] d06d5c962f8cb3526055694d6aa735cc9cb14f11e3712a291d336043c0fc8ce3
[INFO] running `"docker" "start" "-a" "d06d5c962f8cb3526055694d6aa735cc9cb14f11e3712a291d336043c0fc8ce3"`
[INFO] [stderr]     Checking etcommon-hexutil v0.2.4
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking hmac-drbg v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `digest`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     digest: D,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `k`.
[INFO] [stderr]   --> src/lib.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for i in 0..k.as_slice().len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for <item> in k.iter_mut().take(k.as_slice().len()) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `v`.
[INFO] [stderr]   --> src/lib.rs:35:18
[INFO] [stderr]    |
[INFO] [stderr] 35 |         for i in 0..v.as_slice().len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 35 |         for <item> in v.iter_mut().take(v.as_slice().len()) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/lib.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |             for j in 0..self.v.code().len() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: try replacing the loop by: `result[i..(self.v.code().len() + i)].clone_from_slice(&self.v.code()[..])`
[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: field is never used: `digest`
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     digest: D,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `k`.
[INFO] [stderr]   --> src/lib.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for i in 0..k.as_slice().len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for <item> in k.iter_mut().take(k.as_slice().len()) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `v`.
[INFO] [stderr]   --> src/lib.rs:35:18
[INFO] [stderr]    |
[INFO] [stderr] 35 |         for i in 0..v.as_slice().len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 35 |         for <item> in v.iter_mut().take(v.as_slice().len()) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/lib.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |             for j in 0..self.v.code().len() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: try replacing the loop by: `result[i..(self.v.code().len() + i)].clone_from_slice(&self.v.code()[..])`
[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: unused import: `generic_array::GenericArray`
[INFO] [stderr]  --> tests/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use generic_array::GenericArray;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `half_len`
[INFO] [stderr]   --> tests/lib.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let half_len = result.len() / 2;
[INFO] [stderr]    |             ^^^^^^^^ help: consider using `_half_len` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         "totally random0123456789".as_bytes(),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"totally random0123456789"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         "secret nonce".as_bytes(),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"secret nonce"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         "my drbg".as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"my drbg"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         "totally random0123456789".as_bytes(),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"totally random0123456789"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         "secret nonce".as_bytes(),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"secret nonce"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         "totally random string with many chars that I typed in agony".as_bytes(),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"totally random string with many chars that I typed in agony"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         "nonce".as_bytes(),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"nonce"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         "pers".as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"pers"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         "totally random string with many chars that I typed in agony".as_bytes(),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"totally random string with many chars that I typed in agony"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         "nonce".as_bytes(),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"nonce"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         "pers".as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"pers"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/lib.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |     reseeded.reseed("another absolutely random string".as_bytes(), None);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"another absolutely random string"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> tests/lib.rs:70:34
[INFO] [stderr]    |
[INFO] [stderr] 70 |             &read_hex(&test.pers.unwrap_or("".to_string())).unwrap());
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `"docker" "inspect" "d06d5c962f8cb3526055694d6aa735cc9cb14f11e3712a291d336043c0fc8ce3"`
[INFO] running `"docker" "rm" "-f" "d06d5c962f8cb3526055694d6aa735cc9cb14f11e3712a291d336043c0fc8ce3"`
[INFO] [stdout] d06d5c962f8cb3526055694d6aa735cc9cb14f11e3712a291d336043c0fc8ce3