[INFO] fetching crate rs-router 0.1.1...
[INFO] fixing rs-router-0.1.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate rs-router 0.1.1 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-router 0.1.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding hyper v0.10.16 (available: v1.10.1)
[INFO] [stderr]       Adding lazy_static v0.2.11 (available: v1.5.0)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.33)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.12.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rs-router` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bfe113efe5842bd5c201d656e11bea9ba5cb870d70c15fd073de692701592fb2
[INFO] running `Command { std: "docker" "start" "bfe113efe5842bd5c201d656e11bea9ba5cb870d70c15fd073de692701592fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bfe113efe5842bd5c201d656e11bea9ba5cb870d70c15fd073de692701592fb2" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe113efe5842bd5c201d656e11bea9ba5cb870d70c15fd073de692701592fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bfe113efe5842bd5c201d656e11bea9ba5cb870d70c15fd073de692701592fb2" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rs-router` (manifest) generated 1 warning
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking 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]     = 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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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]     = 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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, 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:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/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] 
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, 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: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/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] 
[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/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] 
[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]     = 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/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] 
[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/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] 
[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/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] 
[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/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] 
[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/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] 
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 |     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: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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 |         fn write_body(mut res: HyperResponse<Fresh>, body: Option<Box<dyn WriteBody>>) 
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn captures(&self) -> Option<Captures> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn captures(&self) -> Option<Captures<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:128:21
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn captures(&self) -> Option<Captures> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn captures(&self) -> Option<Captures<'_>> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "bfe113efe5842bd5c201d656e11bea9ba5cb870d70c15fd073de692701592fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe113efe5842bd5c201d656e11bea9ba5cb870d70c15fd073de692701592fb2", kill_on_drop: false }`
[INFO] [stdout] bfe113efe5842bd5c201d656e11bea9ba5cb870d70c15fd073de692701592fb2
