[INFO] crate typed-headers 0.1.0 is already in cache
[INFO] extracting crate typed-headers 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/typed-headers/0.1.0
[INFO] extracting crate typed-headers 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/typed-headers/0.1.0
[INFO] validating manifest of typed-headers-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 typed-headers-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 typed-headers-0.1.0
[INFO] finished frobbing typed-headers-0.1.0
[INFO] frobbed toml for typed-headers-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/typed-headers/0.1.0/Cargo.toml
[INFO] started frobbing typed-headers-0.1.0
[INFO] finished frobbing typed-headers-0.1.0
[INFO] frobbed toml for typed-headers-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/typed-headers/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 typed-headers-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-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/typed-headers/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] 220d77438c2be5c95e245bed4036e08f10d81e7f85af50a060be44f588de08b8
[INFO] running `"docker" "start" "-a" "220d77438c2be5c95e245bed4036e08f10d81e7f85af50a060be44f588de08b8"`
[INFO] [stderr]     Checking typed-headers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/impls/credentials.rs:126:23
[INFO] [stderr]     |
[INFO] [stderr] 126 |             Err(_) => return Err(Error::invalid_value()),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::invalid_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/impls/http_date.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | const IMF_FIXDATE_PATTERN: &'static str = "%a, %d %b %Y %T GMT";
[INFO] [stderr]   |                            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/impls/http_date.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | const RFC850_DATE_PATTERN: &'static str = "%A, %d-%b-%y %T GMT";
[INFO] [stderr]   |                            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/impls/http_date.rs:10:30
[INFO] [stderr]    |
[INFO] [stderr] 10 | const ASCTIME_DATE_PATTERN: &'static str = "%a %b %e %T %Y";
[INFO] [stderr]    |                             -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/impls/credentials.rs:126:23
[INFO] [stderr]     |
[INFO] [stderr] 126 |             Err(_) => return Err(Error::invalid_value()),
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::invalid_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/impls/http_date.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | const IMF_FIXDATE_PATTERN: &'static str = "%a, %d %b %Y %T GMT";
[INFO] [stderr]   |                            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/impls/http_date.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | const RFC850_DATE_PATTERN: &'static str = "%A, %d-%b-%y %T GMT";
[INFO] [stderr]   |                            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/impls/http_date.rs:10:30
[INFO] [stderr]    |
[INFO] [stderr] 10 | const ASCTIME_DATE_PATTERN: &'static str = "%a %b %e %T %Y";
[INFO] [stderr]    |                             -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'http::uri::Authority::port': use `port_part` or `port_u16` instead
[INFO] [stderr]   --> src/impls/host.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |             port: authority.port(),
[INFO] [stderr]    |                             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'http::uri::Authority::port': use `port_part` or `port_u16` instead
[INFO] [stderr]   --> src/impls/host.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |             port: authority.port(),
[INFO] [stderr]    |                             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/accept.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |     (Accept, ACCEPT) => (QualityItem<Mime>)*
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::borrow_interior_mutable_const)] on by default
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/accept_encoding.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |     (AcceptEncoding, ACCEPT_ENCODING) => (QualityItem<ContentCoding>)*
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/allow.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     (Allow, ALLOW) => (Method)*
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/authorization.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |     (Authorization, AUTHORIZATION) => [Credentials]
[INFO] [stderr]    |                     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/content_encoding.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     (ContentEncoding, CONTENT_ENCODING) => (ContentCoding)+
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/content_length.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 |         &CONTENT_LENGTH
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/content_type.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |     (ContentType, CONTENT_TYPE) => [Mime]
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/host.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 |         &HOST
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/proxy_authorization.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (ProxyAuthorization, PROXY_AUTHORIZATION) => [Credentials]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/impls/quality.rs:122:22
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 Some((v - b'0') as u16)
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^ help: try: `u16::from(v - b'0')`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/impls/quality.rs:179:19
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn as_u16(&self) -> u16 {
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/retry_after.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |         &RETRY_AFTER
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/impls/retry_after.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 |             .ok_or_else(|| Error::invalid_value())
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::invalid_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `typed-headers`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/accept.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |     (Accept, ACCEPT) => (QualityItem<Mime>)*
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::borrow_interior_mutable_const)] on by default
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/accept_encoding.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |     (AcceptEncoding, ACCEPT_ENCODING) => (QualityItem<ContentCoding>)*
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/allow.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     (Allow, ALLOW) => (Method)*
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/authorization.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |     (Authorization, AUTHORIZATION) => [Credentials]
[INFO] [stderr]    |                     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/content_encoding.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     (ContentEncoding, CONTENT_ENCODING) => (ContentCoding)+
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/content_length.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 |         &CONTENT_LENGTH
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/content_type.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |     (ContentType, CONTENT_TYPE) => [Mime]
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/host.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 |         &HOST
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/proxy_authorization.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |     (ProxyAuthorization, PROXY_AUTHORIZATION) => [Credentials]
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/impls/quality.rs:122:22
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 Some((v - b'0') as u16)
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^ help: try: `u16::from(v - b'0')`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/impls/quality.rs:179:19
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn as_u16(&self) -> u16 {
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: a const item with interior mutability should not be borrowed
[INFO] [stderr]   --> src/impls/retry_after.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |         &RETRY_AFTER
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: assign this const to a local or static variable, and use the variable here
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/impls/retry_after.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 |             .ok_or_else(|| Error::invalid_value())
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::invalid_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `typed-headers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "220d77438c2be5c95e245bed4036e08f10d81e7f85af50a060be44f588de08b8"`
[INFO] running `"docker" "rm" "-f" "220d77438c2be5c95e245bed4036e08f10d81e7f85af50a060be44f588de08b8"`
[INFO] [stdout] 220d77438c2be5c95e245bed4036e08f10d81e7f85af50a060be44f588de08b8