[INFO] crate rofl 0.0.1 is already in cache
[INFO] checking rofl-0.0.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate rofl 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rofl 0.0.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rofl 0.0.1
[INFO] finished tweaking crates.io crate rofl 0.0.1
[INFO] tweaked toml for crates.io crate rofl 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 73b73818991ced78e215d891d348017f12e42e06a8684f7b46e949e6df7a3291
[INFO] running `"docker" "start" "-a" "73b73818991ced78e215d891d348017f12e42e06a8684f7b46e949e6df7a3291"`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking rgb v0.7.2
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]     Checking try_opt v0.1.1
[INFO] [stderr]     Checking css-color-parser v0.1.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking gif-dispose v1.0.2
[INFO] [stderr]     Checking serde_qs v0.2.2
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking rofl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> caption/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> resources/filesystem.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     predicate: Arc<Fn(&Path) -> bool + Send + Sync + 'pl>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Path) -> bool + Send + Sync + 'pl`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> resources/fonts.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> resources/templates.rs:79:45
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn iter_images<'t>(&'t self) -> Box<Iterator<Item=&'t DynamicImage> + 't> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'t DynamicImage> + 't`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> resources/mod.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub type SharingLoader<T, E> = Loader<Item=Arc<T>, Err=E>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Loader<Item=Arc<T>, Err=E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> util/animated_gif.rs:46:45
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn iter_frames<'a>(&'a self) -> Box<Iterator<Item=&'a GifFrame> + 'a> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a GifFrame> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> util/animated_gif.rs:191:15
[INFO] [stderr]     |
[INFO] [stderr] 191 | impl From<Box<Error>> for DecodeError {
[INFO] [stderr]     |               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> util/animated_gif.rs:192:24
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn from(inner: Box<Error>) -> Self {
[INFO] [stderr]     |                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> util/animated_gif.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> model/de/caption.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / lazy_static! {
[INFO] [stderr] 17 | |     static ref EXPECTING_FIELD_COUNT_MSG: String = format!(
[INFO] [stderr] 18 | |         "at least {} and no more than {}", REQUIRED_FIELDS_COUNT, FIELDS.len());
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> model/de/image_macro.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | / lazy_static! {
[INFO] [stderr] 30 | |     static ref EXPECTING_FIELD_COUNT_MSG: String = format!("at least {}", REQUIRED_FIELDS_COUNT);
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> model/de/image_macro.rs:326:30
[INFO] [stderr]     |
[INFO] [stderr] 326 |             valign: unsafe { mem::uninitialized() },
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> resources/templates.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     /// Map of template file extensions to supported image formats.
[INFO] [stderr] 21 | |     #[doc(hidden)]
[INFO] [stderr] 22 | |     pub static ref IMAGE_FORMAT_EXTENSIONS: HashMap<&'static str, ImageFormat> = hashmap!{
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> util/text.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 | /     lazy_static! {
[INFO] [stderr] 244 | |         static ref WORD_BOUNDARY: Regex = Regex::new(r"\b").unwrap();
[INFO] [stderr] 245 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> caption/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> resources/filesystem.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     predicate: Arc<Fn(&Path) -> bool + Send + Sync + 'pl>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Path) -> bool + Send + Sync + 'pl`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> resources/fonts.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> resources/templates.rs:79:45
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn iter_images<'t>(&'t self) -> Box<Iterator<Item=&'t DynamicImage> + 't> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'t DynamicImage> + 't`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> resources/mod.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub type SharingLoader<T, E> = Loader<Item=Arc<T>, Err=E>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Loader<Item=Arc<T>, Err=E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> util/animated_gif.rs:46:45
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn iter_frames<'a>(&'a self) -> Box<Iterator<Item=&'a GifFrame> + 'a> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a GifFrame> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> util/animated_gif.rs:191:15
[INFO] [stderr]     |
[INFO] [stderr] 191 | impl From<Box<Error>> for DecodeError {
[INFO] [stderr]     |               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> util/animated_gif.rs:192:24
[INFO] [stderr]     |
[INFO] [stderr] 192 |     fn from(inner: Box<Error>) -> Self {
[INFO] [stderr]     |                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> util/animated_gif.rs:199:32
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> model/de/color.rs:123:23
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 s = s.trim_left_matches(prefix).to_owned();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> model/de/caption.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / lazy_static! {
[INFO] [stderr] 17 | |     static ref EXPECTING_FIELD_COUNT_MSG: String = format!(
[INFO] [stderr] 18 | |         "at least {} and no more than {}", REQUIRED_FIELDS_COUNT, FIELDS.len());
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> model/de/caption.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 | /         lazy_static! {
[INFO] [stderr] 128 | |             static ref EXPECTING_FIELD_MSG: String = format!("one of {}",
[INFO] [stderr] 129 | |                 FIELDS.iter().format_with(", ", |x, f| f(&format_args!("`{}`", x))));
[INFO] [stderr] 130 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> model/de/color.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         lazy_static! {
[INFO] [stderr] 181 | |             static ref EXPECTING_FIELD_MSG: String = format!("one of {}",
[INFO] [stderr] 182 | |                 FIELDS.iter().format_with(", ", |x, f| f(&format_args!("`{}`", x))));
[INFO] [stderr] 183 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> model/de/image_macro.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | / lazy_static! {
[INFO] [stderr] 30 | |     static ref EXPECTING_FIELD_COUNT_MSG: String = format!("at least {}", REQUIRED_FIELDS_COUNT);
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> model/de/image_macro.rs:326:30
[INFO] [stderr]     |
[INFO] [stderr] 326 |             valign: unsafe { mem::uninitialized() },
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> model/de/tests/qs.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | / lazy_static! {
[INFO] [stderr] 51 | |     static ref ZOIDBERG: ImageMacro = ImageMacro{
[INFO] [stderr] 52 | |         template: "zoidberg".into(),
[INFO] [stderr] 53 | |         captions: vec![
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |     };
[INFO] [stderr] 82 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> model/de/tests/qs.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | / lazy_static! {
[INFO] [stderr] 51 | |     static ref ZOIDBERG: ImageMacro = ImageMacro{
[INFO] [stderr] 52 | |         template: "zoidberg".into(),
[INFO] [stderr] 53 | |         captions: vec![
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |     };
[INFO] [stderr] 82 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> resources/templates.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     /// Map of template file extensions to supported image formats.
[INFO] [stderr] 21 | |     #[doc(hidden)]
[INFO] [stderr] 22 | |     pub static ref IMAGE_FORMAT_EXTENSIONS: HashMap<&'static str, ImageFormat> = hashmap!{
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> util/text.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 | /     lazy_static! {
[INFO] [stderr] 244 | |         static ref WORD_BOUNDARY: Regex = Regex::new(r"\b").unwrap();
[INFO] [stderr] 245 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> model/de/color.rs:123:23
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 s = s.trim_left_matches(prefix).to_owned();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> model/de/color.rs:121:41
[INFO] [stderr]     |
[INFO] [stderr] 121 |         for &prefix in ["#", "0x", "$"].into_iter() {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> model/de/color.rs:121:41
[INFO] [stderr]     |
[INFO] [stderr] 121 |         for &prefix in ["#", "0x", "$"].into_iter() {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.19s
[INFO] running `"docker" "inspect" "73b73818991ced78e215d891d348017f12e42e06a8684f7b46e949e6df7a3291"`
[INFO] running `"docker" "rm" "-f" "73b73818991ced78e215d891d348017f12e42e06a8684f7b46e949e6df7a3291"`
[INFO] [stdout] 73b73818991ced78e215d891d348017f12e42e06a8684f7b46e949e6df7a3291
