[INFO] fetching crate xso_proc 0.3.0...
[INFO] fixing xso_proc-0.3.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate xso_proc 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate xso_proc 0.3.0
[INFO] finished tweaking crates.io crate xso_proc 0.3.0
[INFO] tweaked toml for crates.io crate xso_proc 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xso_proc 0.3.0 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] crate crates.io crate xso_proc 0.3.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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] 3f9b0de8cc4530ce494bc7e9110b0ee57f3d8bff836b5f8ca5f987b4985af770
[INFO] running `Command { std: "docker" "start" "3f9b0de8cc4530ce494bc7e9110b0ee57f3d8bff836b5f8ca5f987b4985af770", 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" "3f9b0de8cc4530ce494bc7e9110b0ee57f3d8bff836b5f8ca5f987b4985af770" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f9b0de8cc4530ce494bc7e9110b0ee57f3d8bff836b5f8ca5f987b4985af770", 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" "3f9b0de8cc4530ce494bc7e9110b0ee57f3d8bff836b5f8ca5f987b4985af770" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking quote v1.0.44
[INFO] [stderr]     Checking syn v2.0.117
[INFO] [stderr]     Checking rxml_validation v0.12.0
[INFO] [stderr]     Checking xso_proc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/state.rs (4 fixes)
[INFO] [stderr]        Fixed src/field/text.rs (1 fix)
[INFO] [stderr]        Fixed src/enums.rs (9 fixes)
[INFO] [stderr]        Fixed src/scope.rs (2 fixes)
[INFO] [stderr]        Fixed src/structs.rs (5 fixes)
[INFO] [stderr]        Fixed src/field/attribute.rs (3 fixes)
[INFO] [stderr]        Fixed src/meta.rs (22 fixes)
[INFO] [stderr]        Fixed src/compound.rs (2 fixes)
[INFO] [stderr]        Fixed src/field/child.rs (4 fixes)
[INFO] [stderr]        Fixed src/common.rs (3 fixes)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/compound.rs:115:23
[INFO] [stdout]     |
[INFO] [stdout]  95 |         for field in compound_fields {
[INFO] [stdout]     |                      ---------------
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                      `#1` will be dropped later as of Edition 2024
[INFO] [stdout]  96 |             let field = field?;
[INFO] [stdout]     |                         ------
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                         `#2` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 113 |             if let Some(qname) = field.captures_attribute() {
[INFO] [stdout]     |                                  --------------------------
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |                                  `#3` will be dropped later as of Edition 2024
[INFO] [stdout] 114 |                 let span = field.span();
[INFO] [stdout] 115 |                 match selected_attributes.entry(qname) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#4`
[INFO] [stdout]     |                       up until Edition 2021 `#4` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 131 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#4` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#4` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/compact_str-0.9.0/src/repr/mod.rs:774:1
[INFO] [stdout]     |
[INFO] [stdout] 774 | impl Drop for Repr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout]     = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/compact_str-0.9.0/src/repr/mod.rs:774:1
[INFO] [stdout]     |
[INFO] [stdout] 774 | impl Drop for Repr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:51:30
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                              ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:607:9
[INFO] [stdout]     |
[INFO] [stdout] 607 |         reject_key!(debug flag not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: `--force-warn rust-2024-incompatible-pat` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let &Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:51:30
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                              ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 |         reject_key!(exhaustive flag not on "enum variants" only on "enums");
[INFO] [stdout]     |         ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let &Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:609:9
[INFO] [stdout]     |
[INFO] [stdout] 609 |         reject_key!(builder not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:610:9
[INFO] [stdout]     |
[INFO] [stdout] 610 |         reject_key!(iterator not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |         reject_key!(deserialize_callback not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 |         reject_key!(attribute not on "enum variants" only on "attribute-switched enums");
[INFO] [stdout]     |         -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |         reject_key!(value not on "dynamic enum variants" only on "attribute-switched enum variants");
[INFO] [stdout]     |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/compound.rs:115:23
[INFO] [stdout]     |
[INFO] [stdout]  95 |         for field in compound_fields {
[INFO] [stdout]     |                      ---------------
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                      `#1` will be dropped later as of Edition 2024
[INFO] [stdout]  96 |             let field = field?;
[INFO] [stdout]     |                         ------
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                         `#2` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 113 |             if let Some(qname) = field.captures_attribute() {
[INFO] [stdout]     |                                  --------------------------
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |                                  `#3` will be dropped later as of Edition 2024
[INFO] [stdout] 114 |                 let span = field.span();
[INFO] [stdout] 115 |                 match selected_attributes.entry(qname) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#4`
[INFO] [stdout]     |                       up until Edition 2021 `#4` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 131 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#4` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#4` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/compact_str-0.9.0/src/repr/mod.rs:774:1
[INFO] [stdout]     |
[INFO] [stdout] 774 | impl Drop for Repr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout]     = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/compact_str-0.9.0/src/repr/mod.rs:774:1
[INFO] [stdout]     |
[INFO] [stdout] 774 | impl Drop for Repr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:51:30
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                              ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:607:9
[INFO] [stdout]     |
[INFO] [stdout] 607 |         reject_key!(debug flag not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: `--force-warn rust-2024-incompatible-pat` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let &Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:51:30
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                              ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 |         reject_key!(exhaustive flag not on "enum variants" only on "enums");
[INFO] [stdout]     |         ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let &Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:609:9
[INFO] [stdout]     |
[INFO] [stdout] 609 |         reject_key!(builder not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:610:9
[INFO] [stdout]     |
[INFO] [stdout] 610 |         reject_key!(iterator not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |         reject_key!(deserialize_callback not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 |         reject_key!(attribute not on "enum variants" only on "attribute-switched enums");
[INFO] [stdout]     |         -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot explicitly borrow within an implicitly-borrowing pattern in Rust 2024
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |         reject_key!(value not on "dynamic enum variants" only on "attribute-switched enum variants");
[INFO] [stdout]     |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/match-ergonomics.html>
[INFO] [stdout]     = note: this warning originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] [stderr] crater-edition-check: xso_proc v0.3.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking xso_proc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:51:30
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                              ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:607:9
[INFO] [stdout]     |
[INFO] [stdout] 607 |         reject_key!(debug flag not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let &Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:51:30
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                              ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 |         reject_key!(exhaustive flag not on "enum variants" only on "enums");
[INFO] [stdout]     |         ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let &Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:609:9
[INFO] [stdout]     |
[INFO] [stdout] 609 |         reject_key!(builder not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:610:9
[INFO] [stdout]     |
[INFO] [stdout] 610 |         reject_key!(iterator not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |         reject_key!(deserialize_callback not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 |         reject_key!(attribute not on "enum variants" only on "attribute-switched enums");
[INFO] [stdout]     |         -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |         reject_key!(value not on "dynamic enum variants" only on "attribute-switched enum variants");
[INFO] [stdout]     |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:51:30
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                              ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:607:9
[INFO] [stdout]     |
[INFO] [stdout] 607 |         reject_key!(debug flag not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let &Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:51:30
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                              ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 |         reject_key!(exhaustive flag not on "enum variants" only on "enums");
[INFO] [stdout]     |         ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  51 |         if let &Flag::Present(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:609:9
[INFO] [stdout]     |
[INFO] [stdout] 609 |         reject_key!(builder not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:610:9
[INFO] [stdout]     |
[INFO] [stdout] 610 |         reject_key!(iterator not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |         reject_key!(deserialize_callback not on "enum variants" only on "enums and structs");
[INFO] [stdout]     |         ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 |         reject_key!(attribute not on "enum variants" only on "attribute-switched enums");
[INFO] [stdout]     |         -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot explicitly borrow within an implicitly-borrowing pattern
[INFO] [stdout]    --> src/meta.rs:30:21
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let Some(ref $key) = $key {
[INFO] [stdout]     |                     ^^^^^^^^ occurs within macro expansion
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/enums.rs:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |         reject_key!(value not on "dynamic enum variants" only on "attribute-switched enum variants");
[INFO] [stdout]     |         -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/patterns.html#binding-modes>
[INFO] [stdout]     = note: this error originates in the macro `reject_key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: match on the reference with a reference pattern to avoid implicitly borrowing
[INFO] [stdout]     |
[INFO] [stdout]  30 |         if let &Some(ref $key) = $key {
[INFO] [stdout]     |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xso_proc` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `xso_proc` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "3f9b0de8cc4530ce494bc7e9110b0ee57f3d8bff836b5f8ca5f987b4985af770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9b0de8cc4530ce494bc7e9110b0ee57f3d8bff836b5f8ca5f987b4985af770", kill_on_drop: false }`
[INFO] [stdout] 3f9b0de8cc4530ce494bc7e9110b0ee57f3d8bff836b5f8ca5f987b4985af770
