[INFO] crate merkle-sha3 0.1.0 is already in cache
[INFO] extracting crate merkle-sha3 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/merkle-sha3/0.1.0
[INFO] extracting crate merkle-sha3 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/merkle-sha3/0.1.0
[INFO] validating manifest of merkle-sha3-0.1.0 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 merkle-sha3-0.1.0 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 merkle-sha3-0.1.0
[INFO] finished frobbing merkle-sha3-0.1.0
[INFO] frobbed toml for merkle-sha3-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/merkle-sha3/0.1.0/Cargo.toml
[INFO] started frobbing merkle-sha3-0.1.0
[INFO] finished frobbing merkle-sha3-0.1.0
[INFO] frobbed toml for merkle-sha3-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/merkle-sha3/0.1.0/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 merkle-sha3-0.1.0 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/merkle-sha3/0.1.0:/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] 75717b210849eeba90a688e4db47922bfa8ac2efeee1cefa4521404be9e8877d
[INFO] running `"docker" "start" "-a" "75717b210849eeba90a688e4db47922bfa8ac2efeee1cefa4521404be9e8877d"`
[INFO] [stderr]     Checking merkle-sha3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/merkletree.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 algorithm: algorithm,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `algorithm`
[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/merkletree.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             algorithm: algorithm,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `algorithm`
[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/merkletree.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             root: root,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `root`
[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/merkletree.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             height: height,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `height`
[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/merkletree.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             count: count
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `count`
[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/proof.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             root_hash: root_hash,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `root_hash`
[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/proof.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             lemma: lemma,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `lemma`
[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/proof.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             value: value
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/proof.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     sibling_hash: sibling_hash,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `sibling_hash`
[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/tree.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             value: value
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/merkletree.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 algorithm: algorithm,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `algorithm`
[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/merkletree.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             algorithm: algorithm,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `algorithm`
[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]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/merkletree.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             root: root,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `root`
[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] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/merkletree.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |             height: height,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `height`
[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/merkletree.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             count: count
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `count`
[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/proof.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             root_hash: root_hash,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `root_hash`
[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/proof.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             lemma: lemma,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `lemma`
[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/proof.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             value: value
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/proof.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     sibling_hash: sibling_hash,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `sibling_hash`
[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/tree.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             value: value
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[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/tests.rs:251:13
[INFO] [stderr]     |
[INFO] [stderr] 251 |             zero_values: zero_values,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `zero_values`
[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/tests.rs:252:13
[INFO] [stderr]     |
[INFO] [stderr] 252 |             one_values: one_values
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `one_values`
[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: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> src/tests.rs:55:49
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let root_hash: [u8; 32] = digest.hash_leaf(&"hello, world".as_bytes());
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"hello, world"`
[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: the variable `i` is used as a loop counter. Consider using `for (i, item) in values.enumerate()` or similar iterators
[INFO] [stderr]    --> src/tests.rs:167:18
[INFO] [stderr]     |
[INFO] [stderr] 167 |     for value in values {
[INFO] [stderr]     |                  ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/tests.rs:194:19
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let iter    = tree.iter().map(|x| x.clone()).collect::<Vec<_>>();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `tree.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/tests.rs:204:19
[INFO] [stderr]     |
[INFO] [stderr] 204 |     let iter    = tree.into_iter().map(|x| x.clone()).collect::<Vec<_>>();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `tree.into_iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] error[E0464]: multiple matching crates for `rand`
[INFO] [stderr]  --> benches/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate rand;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `rand`: /opt/crater/rustup-home/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-8bce58946f7738c6.rlib
[INFO] [stderr]           crate `rand`: /opt/crater/rustup-home/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librand-f36230025ea6075e.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `rand`
[INFO] [stderr]  --> benches/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate rand;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0463, E0464.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `merkle-sha3`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "75717b210849eeba90a688e4db47922bfa8ac2efeee1cefa4521404be9e8877d"`
[INFO] running `"docker" "rm" "-f" "75717b210849eeba90a688e4db47922bfa8ac2efeee1cefa4521404be9e8877d"`
[INFO] [stdout] 75717b210849eeba90a688e4db47922bfa8ac2efeee1cefa4521404be9e8877d