[INFO] fetching crate rs-router 0.1.1...
[INFO] testing rs-router-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rs-router 0.1.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate rs-router 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs-router 0.1.1
[INFO] finished tweaking crates.io crate rs-router 0.1.1
[INFO] tweaked toml for crates.io crate rs-router 0.1.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c2302d25b4308080ce166e4022c257851135eff6ed49b3ed749ee8e1cad486d
[INFO] running `Command { std: "docker" "start" "-a" "9c2302d25b4308080ce166e4022c257851135eff6ed49b3ed749ee8e1cad486d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c2302d25b4308080ce166e4022c257851135eff6ed49b3ed749ee8e1cad486d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2302d25b4308080ce166e4022c257851135eff6ed49b3ed749ee8e1cad486d", kill_on_drop: false }`
[INFO] [stdout] 9c2302d25b4308080ce166e4022c257851135eff6ed49b3ed749ee8e1cad486d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678fb224e9aa463d5899188357782d396a113fd625ec327b7d85a8b3aa38e166
[INFO] running `Command { std: "docker" "start" "-a" "678fb224e9aa463d5899188357782d396a113fd625ec327b7d85a8b3aa38e166", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling rs-router v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn handle<'a, 'b, 'c>(&'a self, Request<'a, 'b, 'c>) -> Response;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Request<'a, 'b, 'c>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub body: Option<Box<WriteBody>>
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 -     pub body: Option<Box<WriteBody>>
[INFO] [stdout] 172 +     pub body: Option<Box<dyn WriteBody>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Other(err: Box<::std::error::Error + Send + Sync>) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Other(err: Box<dyn (::std::error::Error + Send + Sync)>) {
[INFO] [stdout]    |                            +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:251:50
[INFO] [stdout]     |
[INFO] [stdout] 251 |                   $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout] 251 +                 $prefix_handlers: Option<Vec<Box<dyn InnerHandler>>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:253:28
[INFO] [stdout]     |
[INFO] [stdout] 253 |               not_found: Box<InnerHandler>
[INFO] [stdout]     |                              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 253 -             not_found: Box<InnerHandler>
[INFO] [stdout] 253 +             not_found: Box<dyn InnerHandler>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:289:50
[INFO] [stdout]     |
[INFO] [stdout] 289 |                   $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 -                 $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout] 289 +                 $prefix_handlers: Option<Vec<Box<dyn InnerHandler>>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:291:35
[INFO] [stdout]     |
[INFO] [stdout] 291 |               not_found: Option<Box<InnerHandler>>
[INFO] [stdout]     |                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 291 -             not_found: Option<Box<InnerHandler>>
[INFO] [stdout] 291 +             not_found: Option<Box<dyn InnerHandler>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:71
[INFO] [stdout]     |
[INFO] [stdout] 187 |         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<WriteBody>>) 
[INFO] [stdout]     |                                                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 -         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<WriteBody>>) 
[INFO] [stdout] 187 +         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<dyn WriteBody>>) 
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:40
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()>;
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()>;
[INFO] [stdout] 136 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:140:40
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 140 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 140 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:40
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 146 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 146 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:152:40
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 152 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 152 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:158:40
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 158 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 158 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:164:40
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 164 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "678fb224e9aa463d5899188357782d396a113fd625ec327b7d85a8b3aa38e166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678fb224e9aa463d5899188357782d396a113fd625ec327b7d85a8b3aa38e166", kill_on_drop: false }`
[INFO] [stdout] 678fb224e9aa463d5899188357782d396a113fd625ec327b7d85a8b3aa38e166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 209965e336539e4f99bb1cfd435c29ca3900644ecda5f71584d509010d4a377c
[INFO] running `Command { std: "docker" "start" "-a" "209965e336539e4f99bb1cfd435c29ca3900644ecda5f71584d509010d4a377c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn handle<'a, 'b, 'c>(&'a self, Request<'a, 'b, 'c>) -> Response;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Request<'a, 'b, 'c>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub body: Option<Box<WriteBody>>
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 -     pub body: Option<Box<WriteBody>>
[INFO] [stdout] 172 +     pub body: Option<Box<dyn WriteBody>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Other(err: Box<::std::error::Error + Send + Sync>) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Other(err: Box<dyn (::std::error::Error + Send + Sync)>) {
[INFO] [stdout]    |                            +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:251:50
[INFO] [stdout]     |
[INFO] [stdout] 251 |                   $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout] 251 +                 $prefix_handlers: Option<Vec<Box<dyn InnerHandler>>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:253:28
[INFO] [stdout]     |
[INFO] [stdout] 253 |               not_found: Box<InnerHandler>
[INFO] [stdout]     |                              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 253 -             not_found: Box<InnerHandler>
[INFO] [stdout] 253 +             not_found: Box<dyn InnerHandler>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:289:50
[INFO] [stdout]     |
[INFO] [stdout] 289 |                   $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 -                 $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout] 289 +                 $prefix_handlers: Option<Vec<Box<dyn InnerHandler>>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:291:35
[INFO] [stdout]     |
[INFO] [stdout] 291 |               not_found: Option<Box<InnerHandler>>
[INFO] [stdout]     |                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 291 -             not_found: Option<Box<InnerHandler>>
[INFO] [stdout] 291 +             not_found: Option<Box<dyn InnerHandler>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:71
[INFO] [stdout]     |
[INFO] [stdout] 187 |         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<WriteBody>>) 
[INFO] [stdout]     |                                                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 -         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<WriteBody>>) 
[INFO] [stdout] 187 +         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<dyn WriteBody>>) 
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:40
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()>;
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()>;
[INFO] [stdout] 136 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:140:40
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 140 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 140 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:40
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 146 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 146 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:152:40
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 152 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 152 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:158:40
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 158 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 158 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:164:40
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 164 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rs-router v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/simple.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> examples/simple.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn maybe_handler(req: Request) -> Result<Response, Error> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:213:37
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn handle<'a, 'b, 'c>(&'a self, Request<'a, 'b, 'c>) -> Response;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Request<'a, 'b, 'c>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub body: Option<Box<WriteBody>>
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 -     pub body: Option<Box<WriteBody>>
[INFO] [stdout] 172 +     pub body: Option<Box<dyn WriteBody>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Other(err: Box<::std::error::Error + Send + Sync>) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Other(err: Box<dyn (::std::error::Error + Send + Sync)>) {
[INFO] [stdout]    |                            +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:251:50
[INFO] [stdout]     |
[INFO] [stdout] 251 |                   $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 251 -                 $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout] 251 +                 $prefix_handlers: Option<Vec<Box<dyn InnerHandler>>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:253:28
[INFO] [stdout]     |
[INFO] [stdout] 253 |               not_found: Box<InnerHandler>
[INFO] [stdout]     |                              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 253 -             not_found: Box<InnerHandler>
[INFO] [stdout] 253 +             not_found: Box<dyn InnerHandler>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:289:50
[INFO] [stdout]     |
[INFO] [stdout] 289 |                   $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 -                 $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stdout] 289 +                 $prefix_handlers: Option<Vec<Box<dyn InnerHandler>>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:291:35
[INFO] [stdout]     |
[INFO] [stdout] 291 |               not_found: Option<Box<InnerHandler>>
[INFO] [stdout]     |                                     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 | / impls!{
[INFO] [stdout] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stdout] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stdout] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stdout] ...   |
[INFO] [stdout] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stdout] 363 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 291 -             not_found: Option<Box<InnerHandler>>
[INFO] [stdout] 291 +             not_found: Option<Box<dyn InnerHandler>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:71
[INFO] [stdout]     |
[INFO] [stdout] 187 |         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<WriteBody>>) 
[INFO] [stdout]     |                                                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 -         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<WriteBody>>) 
[INFO] [stdout] 187 +         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<dyn WriteBody>>) 
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:40
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()>;
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()>;
[INFO] [stdout] 136 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:140:40
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 140 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 140 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:40
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 146 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 146 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:152:40
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 152 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 152 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:158:40
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 158 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 158 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:164:40
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stdout] 164 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_router-d8ae55a23438baad)
[INFO] running `Command { std: "docker" "inspect" "209965e336539e4f99bb1cfd435c29ca3900644ecda5f71584d509010d4a377c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209965e336539e4f99bb1cfd435c29ca3900644ecda5f71584d509010d4a377c", kill_on_drop: false }`
[INFO] [stdout] 209965e336539e4f99bb1cfd435c29ca3900644ecda5f71584d509010d4a377c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 279f2d453a56a444619e1a6b6dfb30964c2d848af9c6a4a1a6c7d0a92feb078c
[INFO] running `Command { std: "docker" "start" "-a" "279f2d453a56a444619e1a6b6dfb30964c2d848af9c6a4a1a6c7d0a92feb078c", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/lib.rs:213:37
[INFO] [stderr]     |
[INFO] [stderr] 213 |     fn handle<'a, 'b, 'c>(&'a self, Request<'a, 'b, 'c>) -> Response;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Request<'a, 'b, 'c>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:172:26
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub body: Option<Box<WriteBody>>
[INFO] [stderr]     |                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 172 -     pub body: Option<Box<WriteBody>>
[INFO] [stderr] 172 +     pub body: Option<Box<dyn WriteBody>>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:16:28
[INFO] [stderr]    |
[INFO] [stderr] 16 |             Other(err: Box<::std::error::Error + Send + Sync>) {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 |             Other(err: Box<dyn (::std::error::Error + Send + Sync)>) {
[INFO] [stderr]    |                            +++++                                 +
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:251:50
[INFO] [stderr]     |
[INFO] [stderr] 251 |                   $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 356 | / impls!{
[INFO] [stderr] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stderr] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stderr] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stderr] ...   |
[INFO] [stderr] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stderr] 363 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 251 -                 $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stderr] 251 +                 $prefix_handlers: Option<Vec<Box<dyn InnerHandler>>>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:253:28
[INFO] [stderr]     |
[INFO] [stderr] 253 |               not_found: Box<InnerHandler>
[INFO] [stderr]     |                              ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 356 | / impls!{
[INFO] [stderr] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stderr] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stderr] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stderr] ...   |
[INFO] [stderr] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stderr] 363 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 253 -             not_found: Box<InnerHandler>
[INFO] [stderr] 253 +             not_found: Box<dyn InnerHandler>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:289:50
[INFO] [stderr]     |
[INFO] [stderr] 289 |                   $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 356 | / impls!{
[INFO] [stderr] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stderr] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stderr] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stderr] ...   |
[INFO] [stderr] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stderr] 363 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 289 -                 $prefix_handlers: Option<Vec<Box<InnerHandler>>>,
[INFO] [stderr] 289 +                 $prefix_handlers: Option<Vec<Box<dyn InnerHandler>>>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:291:35
[INFO] [stderr]     |
[INFO] [stderr] 291 |               not_found: Option<Box<InnerHandler>>
[INFO] [stderr]     |                                     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 356 | / impls!{
[INFO] [stderr] 357 | |     [get_regex_set, get_regexes, get_priorities, get_handlers, get_strs, Method::Get, add_get, add_get_with_priority],
[INFO] [stderr] 358 | |     [post_regex_set, post_regexes, post_priorities, post_handlers, post_strs, Method::Post, add_post, add_post_with_priority],
[INFO] [stderr] 359 | |     [put_regex_set, put_regexes, put_priorities, put_handlers, put_strs, Method::Put, add_put, add_put_with_priority],
[INFO] [stderr] ...   |
[INFO] [stderr] 362 | |     [head_regex_set, head_regexes, head_priorities, head_handlers, head_strs, Method::Head, add_head, add_head_with_priority]
[INFO] [stderr] 363 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 291 -             not_found: Option<Box<InnerHandler>>
[INFO] [stderr] 291 +             not_found: Option<Box<dyn InnerHandler>>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:187:71
[INFO] [stderr]     |
[INFO] [stderr] 187 |         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<WriteBody>>) 
[INFO] [stderr]     |                                                                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 187 -         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<WriteBody>>) 
[INFO] [stderr] 187 +         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<dyn WriteBody>>) 
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:40
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()>;
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 136 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()>;
[INFO] [stderr] 136 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:140:40
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 140 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr] 140 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:146:40
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 146 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr] 146 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:152:40
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 152 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr] 152 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:158:40
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 158 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr] 158 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:164:40
[INFO] [stderr]     |
[INFO] [stderr] 164 |     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 164 -     fn write_body(&mut self, res: &mut Write) -> ::std::io::Result<()> {
[INFO] [stderr] 164 +     fn write_body(&mut self, res: &mut dyn Write) -> ::std::io::Result<()> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-router` (lib) generated 14 warnings
[INFO] [stderr] warning: `rs-router` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/simple.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> examples/simple.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn maybe_handler(req: Request) -> Result<Response, Error> {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-router` (example "simple") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_router-d8ae55a23438baad)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs-router
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "279f2d453a56a444619e1a6b6dfb30964c2d848af9c6a4a1a6c7d0a92feb078c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279f2d453a56a444619e1a6b6dfb30964c2d848af9c6a4a1a6c7d0a92feb078c", kill_on_drop: false }`
[INFO] [stdout] 279f2d453a56a444619e1a6b6dfb30964c2d848af9c6a4a1a6c7d0a92feb078c