[INFO] crate cadence 0.16.0 is already in cache
[INFO] extracting crate cadence 0.16.0 into work/ex/clippy-test-run/sources/stable/reg/cadence/0.16.0
[INFO] extracting crate cadence 0.16.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cadence/0.16.0
[INFO] validating manifest of cadence-0.16.0 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 cadence-0.16.0 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 cadence-0.16.0
[INFO] finished frobbing cadence-0.16.0
[INFO] frobbed toml for cadence-0.16.0 written to work/ex/clippy-test-run/sources/stable/reg/cadence/0.16.0/Cargo.toml
[INFO] started frobbing cadence-0.16.0
[INFO] finished frobbing cadence-0.16.0
[INFO] frobbed toml for cadence-0.16.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cadence/0.16.0/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 cadence-0.16.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cadence/0.16.0:/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 -Dclippy::into_iter_on_array" "-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] 9264c792b93c547be31282c4b8bcbe906461d136bdca65dd2bd0e9c25d8f8ddd
[INFO] running `"docker" "start" "-a" "9264c792b93c547be31282c4b8bcbe906461d136bdca65dd2bd0e9c25d8f8ddd"`
[INFO] [stderr]     Checking cadence v0.16.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/client.rs:748:44
[INFO] [stderr]     |
[INFO] [stderr] 748 | #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/sinks/udp.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/client.rs:748:44
[INFO] [stderr]     |
[INFO] [stderr] 748 | #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/client.rs:748:44
[INFO] [stderr]     |
[INFO] [stderr] 748 | #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/sinks/udp.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `needless_pass_by_value` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/client.rs:748:44
[INFO] [stderr]     |
[INFO] [stderr] 748 | #[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::needless_pass_by_value`
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> examples/tag-view.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             client: client,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `client`
[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]   --> examples/tag-view.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             tags: tags,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `tags`
[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: unneeded unit return type
[INFO] [stderr]   --> examples/sending-tags.rs:17:43
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn my_error_handler(err: MetricError) -> () {
[INFO] [stderr]    |                                           ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `cadence`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]   --> examples/tag-view.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn to_vec_strings<'a, I>(tags: I) -> Vec<(String, String)>
[INFO] [stderr]    |                              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/builder.rs:564:36
[INFO] [stderr]     |
[INFO] [stderr] 564 |         write_datadog_tags(&mut m, &vec![(Some("host"), "app01.example.com")]);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[(Some("host"), "app01.example.com")]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/builder.rs:570:13
[INFO] [stderr]     |
[INFO] [stderr] 570 | /             &vec![
[INFO] [stderr] 571 | |                 (Some("host"), "app01.example.com"),
[INFO] [stderr] 572 | |                 (Some("bucket"), "A"),
[INFO] [stderr] 573 | |                 (None, "file-server"),
[INFO] [stderr] 574 | |             ],
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] help: you can use a slice directly
[INFO] [stderr]     |
[INFO] [stderr] 570 |             &[(Some("host"), "app01.example.com"),
[INFO] [stderr] 571 |                 (Some("bucket"), "A"),
[INFO] [stderr] 572 |                 (None, "file-server")],
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/io.rs:142:37
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let write1 = buffered.write("foo:1234|c".as_bytes()).unwrap();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"foo:1234|c"`
[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]    --> src/io.rs:145:37
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let write2 = buffered.write("baz:56789|c".as_bytes()).unwrap();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"baz:56789|c"`
[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]    --> src/io.rs:163:37
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let write1 = buffered.write("abc:3|g".as_bytes()).unwrap();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"abc:3|g"`
[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]    --> src/io.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let write2 = buffered.write("def:4|g".as_bytes()).unwrap();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"def:4|g"`
[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]    --> src/io.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |             .write("some_really_long_metric:456|c".as_bytes())
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"some_really_long_metric:456|c"`
[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]    --> src/io.rs:186:37
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let write2 = buffered.write("abc:4|g".as_bytes()).unwrap();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"abc:4|g"`
[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]    --> src/io.rs:206:44
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let bytes_written = buffered.write("foo:42|c".as_bytes()).unwrap();
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"foo:42|c"`
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/io.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         buffered.write("xyz".as_bytes()).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] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/io.rs:221:24
[INFO] [stderr]     |
[INFO] [stderr] 221 |         buffered.write("xyz".as_bytes()).unwrap();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"xyz"`
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/io.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         buffered.write("abc".as_bytes()).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/io.rs:222:24
[INFO] [stderr]     |
[INFO] [stderr] 222 |         buffered.write("abc".as_bytes()).unwrap();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"abc"`
[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]    --> src/io.rs:241:35
[INFO] [stderr]     |
[INFO] [stderr] 241 |             let _r = writer.write("something".as_bytes()).unwrap();
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"something"`
[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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cadence`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9264c792b93c547be31282c4b8bcbe906461d136bdca65dd2bd0e9c25d8f8ddd"`
[INFO] running `"docker" "rm" "-f" "9264c792b93c547be31282c4b8bcbe906461d136bdca65dd2bd0e9c25d8f8ddd"`
[INFO] [stdout] 9264c792b93c547be31282c4b8bcbe906461d136bdca65dd2bd0e9c25d8f8ddd