[INFO] fetching crate noders 0.0.2...
[INFO] testing noders-0.0.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate noders 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate noders 0.0.2
[INFO] finished tweaking crates.io crate noders 0.0.2
[INFO] tweaked toml for crates.io crate noders 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate noders 0.0.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.11.1)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb4b1e24064b8451f542e0b157594b5477489c590de795bccab2af6ac2c59686
[INFO] running `Command { std: "docker" "start" "-a" "bb4b1e24064b8451f542e0b157594b5477489c590de795bccab2af6ac2c59686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb4b1e24064b8451f542e0b157594b5477489c590de795bccab2af6ac2c59686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4b1e24064b8451f542e0b157594b5477489c590de795bccab2af6ac2c59686", kill_on_drop: false }`
[INFO] [stdout] bb4b1e24064b8451f542e0b157594b5477489c590de795bccab2af6ac2c59686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b1e325b38238e6647221b81ccaca50fe03005162be68e2a3c7ad98ba2bd9dee
[INFO] running `Command { std: "docker" "start" "-a" "1b1e325b38238e6647221b81ccaca50fe03005162be68e2a3c7ad98ba2bd9dee", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling noders v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:21:85
[INFO] [stdout]     |
[INFO] [stdout]  21 |         rec!(@mkstruct([A,B,C,D,E,F,G,H,I,J,K,L], { $($id : $val),* } ) -> ([],{}) );
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/node.rs:301:36
[INFO] [stdout]     |
[INFO] [stdout] 301 |         Callback::new(self.core(), rec!{ fun: f, l: self.as_rc() }, |ctx,x|{
[INFO] [stdout]     |                                    ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:18:11
[INFO] [stdout]     |
[INFO] [stdout]  18 |         ));
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/node.rs:301:36
[INFO] [stdout]     |
[INFO] [stdout] 301 |         Callback::new(self.core(), rec!{ fun: f, l: self.as_rc() }, |ctx,x|{
[INFO] [stdout]     |                                    ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:18:11
[INFO] [stdout]     |
[INFO] [stdout]  18 |         ));
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/node.rs:301:36
[INFO] [stdout]     |
[INFO] [stdout] 301 |         Callback::new(self.core(), rec!{ fun: f, l: self.as_rc() }, |ctx,x|{
[INFO] [stdout]     |                                    ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:21:85
[INFO] [stdout]     |
[INFO] [stdout]  21 |         rec!(@mkstruct([A,B,C,D,E,F,G,H,I,J,K,L], { $($id : $val),* } ) -> ([],{}) );
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/node.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |         Callback::new(self.core(), rec!{ fun: f, l: self.as_rc() }, |ctx,x|{
[INFO] [stdout]     |                                    ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:18:11
[INFO] [stdout]     |
[INFO] [stdout]  18 |         ));
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/node.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |         Callback::new(self.core(), rec!{ fun: f, l: self.as_rc() }, |ctx,x|{
[INFO] [stdout]     |                                    ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:18:11
[INFO] [stdout]     |
[INFO] [stdout]  18 |         ));
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/node.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |         Callback::new(self.core(), rec!{ fun: f, l: self.as_rc() }, |ctx,x|{
[INFO] [stdout]     |                                    ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:21:85
[INFO] [stdout]     |
[INFO] [stdout]  21 |         rec!(@mkstruct([A,B,C,D,E,F,G,H,I,J,K,L], { $($id : $val),* } ) -> ([],{}) );
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dgram.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |         pvt.on_message.push(Callback::new(c, rec!{ l: l.as_rc(), f:f }, |ctx,msg|{
[INFO] [stdout]     |                                              ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:18:11
[INFO] [stdout]     |
[INFO] [stdout]  18 |         ));
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dgram.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |         pvt.on_message.push(Callback::new(c, rec!{ l: l.as_rc(), f:f }, |ctx,msg|{
[INFO] [stdout]     |                                              ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:18:11
[INFO] [stdout]     |
[INFO] [stdout]  18 |         ));
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dgram.rs:160:46
[INFO] [stdout]     |
[INFO] [stdout] 160 |         pvt.on_message.push(Callback::new(c, rec!{ l: l.as_rc(), f:f }, |ctx,msg|{
[INFO] [stdout]     |                                              ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:21:85
[INFO] [stdout]     |
[INFO] [stdout]  21 |         rec!(@mkstruct([A,B,C,D,E,F,G,H,I,J,K,L], { $($id : $val),* } ) -> ([],{}) );
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dgram.rs:186:34
[INFO] [stdout]     |
[INFO] [stdout] 186 |             cb: Callback::new(c, rec!{ l: l.as_rc(), f:f }, |ctx,res|{
[INFO] [stdout]     |                                  ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:18:11
[INFO] [stdout]     |
[INFO] [stdout]  18 |         ));
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dgram.rs:186:34
[INFO] [stdout]     |
[INFO] [stdout] 186 |             cb: Callback::new(c, rec!{ l: l.as_rc(), f:f }, |ctx,res|{
[INFO] [stdout]     |                                  ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:18:11
[INFO] [stdout]     |
[INFO] [stdout]  18 |         ));
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/dgram.rs:186:34
[INFO] [stdout]     |
[INFO] [stdout] 186 |             cb: Callback::new(c, rec!{ l: l.as_rc(), f:f }, |ctx,res|{
[INFO] [stdout]     |                                  ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `rec` (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/node.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ev: Rc<mio::Evented>
[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] 42 |     ev: Rc<dyn mio::Evented>
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/callback.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub x: Box<Any + Send>,
[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] 11 |     pub x: Box<dyn Any + Send>,
[INFO] [stdout]    |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/callback.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     w:Box<Any>,
[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] 24 |     w:Box<dyn Any>,
[INFO] [stdout]    |           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/callback.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |     f:Box<Any>,
[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] 25 |     f:Box<dyn Any>,
[INFO] [stdout]    |           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/callback.rs:26:45
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub dispatch: fn(&mut CallbackImpl, Box<Any + Send>),
[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] 26 |     pub dispatch: fn(&mut CallbackImpl, Box<dyn Any + Send>),
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/callback.rs:29:55
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dispatch<W,X,F>(cbi: &mut CallbackImpl, mut x: Box<Any + Send>) where
[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] 29 | fn dispatch<W,X,F>(cbi: &mut CallbackImpl, mut x: Box<dyn Any + Send>) where
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/callback.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let f: &Fn(&mut W,X) = cbi.f.downcast_ref::<F>().unwrap();
[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] 37 |     let f: &dyn Fn(&mut W,X) = cbi.f.downcast_ref::<F>().unwrap();
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/node.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 |             for xx in x {
[INFO] [stdout]    |                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 89 -             for xx in x {
[INFO] [stdout] 89 +             while let Some(xx) = x {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 89 -             for xx in x {
[INFO] [stdout] 89 +             if let Some(xx) = x {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:254:14
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub fn p(&mut self) -> RefMut<P> {
[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] 254 |     pub fn p(&mut self) -> RefMut<'_, P> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `noders` (lib) due to 24 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1b1e325b38238e6647221b81ccaca50fe03005162be68e2a3c7ad98ba2bd9dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1e325b38238e6647221b81ccaca50fe03005162be68e2a3c7ad98ba2bd9dee", kill_on_drop: false }`
[INFO] [stdout] 1b1e325b38238e6647221b81ccaca50fe03005162be68e2a3c7ad98ba2bd9dee
