[INFO] fetching crate matr 0.2.0...
[INFO] testing matr-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate matr 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate matr 0.2.0
[INFO] finished tweaking crates.io crate matr 0.2.0
[INFO] tweaked toml for crates.io crate matr 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matr 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccc08b832efc496dc85023a73b08e605c54c381b35ddf446b4808943e4d0c504
[INFO] running `Command { std: "docker" "start" "-a" "ccc08b832efc496dc85023a73b08e605c54c381b35ddf446b4808943e4d0c504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccc08b832efc496dc85023a73b08e605c54c381b35ddf446b4808943e4d0c504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc08b832efc496dc85023a73b08e605c54c381b35ddf446b4808943e4d0c504", kill_on_drop: false }`
[INFO] [stdout] ccc08b832efc496dc85023a73b08e605c54c381b35ddf446b4808943e4d0c504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f71981ce33eaa77b95f689e079b702cbe913c787aa2dc48d40ef4b23088f9ac
[INFO] running `Command { std: "docker" "start" "-a" "3f71981ce33eaa77b95f689e079b702cbe913c787aa2dc48d40ef4b23088f9ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling matr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout]  19 | / meta!{
[INFO] [stdout]  20 | |     pub type ToResultConstFn<
[INFO] [stdout]  21 | |         Out,
[INFO] [stdout]  22 | |         Args: ~const Destruct,
[INFO] [stdout] ...   |
[INFO] [stdout]  32 | |             WrapConstFn<std::result::Result<Out, &'static str>, Args, ToResultConstFnErrorImpl<Out, Args>>>;
[INFO] [stdout]  33 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: structs cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 | / ...   $Vis struct $Fn $(<
[INFO] [stdout] 132 | | ...           $(
[INFO] [stdout] 133 | | ...               $Args $(:
[INFO] [stdout] 134 | | ...                   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | ...       )*
[INFO] [stdout] 144 | | ...   }
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout]  19 | / meta!{
[INFO] [stdout]  20 | |     pub type ToResultConstFn<
[INFO] [stdout]  21 | |         Out,
[INFO] [stdout]  22 | |         Args: ~const Destruct,
[INFO] [stdout] ...   |
[INFO] [stdout]  32 | |             WrapConstFn<std::result::Result<Out, &'static str>, Args, ToResultConstFnErrorImpl<Out, Args>>>;
[INFO] [stdout]  33 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout]  19 | / meta!{
[INFO] [stdout]  20 | |     pub type ToResultConstFn<
[INFO] [stdout]  21 | |         Out,
[INFO] [stdout]  22 | |         Args: ~const Destruct,
[INFO] [stdout] ...   |
[INFO] [stdout]  32 | |             WrapConstFn<std::result::Result<Out, &'static str>, Args, ToResultConstFnErrorImpl<Out, Args>>>;
[INFO] [stdout]  33 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this impl is not `const`, so it cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | /         impl $(<
[INFO] [stdout] 147 | |             $(
[INFO] [stdout] 148 | |                 $Args $(:
[INFO] [stdout] 149 | |                     $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |             $($Body)*
[INFO] [stdout] 157 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout]  19 | / meta!{
[INFO] [stdout]  20 | |     pub type ToResultConstFn<
[INFO] [stdout]  21 | |         Out,
[INFO] [stdout]  22 | |         Args: ~const Destruct,
[INFO] [stdout] ...   |
[INFO] [stdout]  32 | |             WrapConstFn<std::result::Result<Out, &'static str>, Args, ToResultConstFnErrorImpl<Out, Args>>>;
[INFO] [stdout]  33 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:40:5
[INFO] [stdout]     |
[INFO] [stdout]  40 | /     meta!{
[INFO] [stdout]  41 | |         pub struct ToResultConstFnAdapter<Out, Args>: Functor1<ConstFn<Out, Args>, Result<ConstFn<std::result::Result<Out, &'stat...
[INFO] [stdout]  42 | |             type Apply<X: Expr<ConstFn<Out, Args>>> = Ok<ConstFn<std::result::Result<Out, &'static str>, Args>, WrapConstFn<std::...
[INFO] [stdout] ...   |
[INFO] [stdout]  56 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: structs cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 | / ...   $Vis struct $Fn $(<
[INFO] [stdout] 132 | | ...           $(
[INFO] [stdout] 133 | | ...               $Args $(:
[INFO] [stdout] 134 | | ...                   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | ...       )*
[INFO] [stdout] 144 | | ...   }
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:40:5
[INFO] [stdout]     |
[INFO] [stdout]  40 | /     meta!{
[INFO] [stdout]  41 | |         pub struct ToResultConstFnAdapter<Out, Args>: Functor1<ConstFn<Out, Args>, Result<ConstFn<std::result::Result<Out, &'stat...
[INFO] [stdout]  42 | |             type Apply<X: Expr<ConstFn<Out, Args>>> = Ok<ConstFn<std::result::Result<Out, &'static str>, Args>, WrapConstFn<std::...
[INFO] [stdout] ...   |
[INFO] [stdout]  56 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:38:1
[INFO] [stdout]     |
[INFO] [stdout]  38 | / meta!{
[INFO] [stdout]  39 | |     pub struct WrapConstFn<
[INFO] [stdout]  40 | |         Result,
[INFO] [stdout]  41 | |         Args,
[INFO] [stdout] ...   |
[INFO] [stdout]  46 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: structs cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 | / ...   $Vis struct $Fn $(<
[INFO] [stdout] 132 | | ...           $(
[INFO] [stdout] 133 | | ...               $Args $(:
[INFO] [stdout] 134 | | ...                   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | ...       )*
[INFO] [stdout] 144 | | ...   }
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:38:1
[INFO] [stdout]     |
[INFO] [stdout]  38 | / meta!{
[INFO] [stdout]  39 | |     pub struct WrapConstFn<
[INFO] [stdout]  40 | |         Result,
[INFO] [stdout]  41 | |         Args,
[INFO] [stdout] ...   |
[INFO] [stdout]  46 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:38:1
[INFO] [stdout]     |
[INFO] [stdout]  38 | / meta!{
[INFO] [stdout]  39 | |     pub struct WrapConstFn<
[INFO] [stdout]  40 | |         Result,
[INFO] [stdout]  41 | |         Args,
[INFO] [stdout] ...   |
[INFO] [stdout]  46 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this impl is not `const`, so it cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | /         impl $(<
[INFO] [stdout] 147 | |             $(
[INFO] [stdout] 148 | |                 $Args $(:
[INFO] [stdout] 149 | |                     $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |             $($Body)*
[INFO] [stdout] 157 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:38:1
[INFO] [stdout]     |
[INFO] [stdout]  38 | / meta!{
[INFO] [stdout]  39 | |     pub struct WrapConstFn<
[INFO] [stdout]  40 | |         Result,
[INFO] [stdout]  41 | |         Args,
[INFO] [stdout] ...   |
[INFO] [stdout]  46 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]   --> src/const_fn/mod.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |         type Fn: ~const ConstFnTrait<Result, Args>;
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: associated types in non-`const` traits cannot have `[const]` trait bounds
[INFO] [stdout]   --> src/const_fn/mod.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         type Fn: ~const ConstFnTrait<Result, Args>;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: structs cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 | / ...   $Vis struct $Fn $(<
[INFO] [stdout] 132 | | ...           $(
[INFO] [stdout] 133 | | ...               $Args $(:
[INFO] [stdout] 134 | | ...                   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | ...       )*
[INFO] [stdout] 144 | | ...   }
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this impl is not `const`, so it cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | /         impl $(<
[INFO] [stdout] 147 | |             $(
[INFO] [stdout] 148 | |                 $Args $(:
[INFO] [stdout] 149 | |                     $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |             $($Body)*
[INFO] [stdout] 157 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: structs cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 | / ...   $Vis struct $Fn $(<
[INFO] [stdout] 132 | | ...           $(
[INFO] [stdout] 133 | | ...               $Args $(:
[INFO] [stdout] 134 | | ...                   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | | ...       )*
[INFO] [stdout] 144 | | ...   }
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` is not allowed here
[INFO] [stdout]    --> src/meta.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this impl is not `const`, so it cannot have `[const]` trait bounds
[INFO] [stdout]    --> src/meta.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | /         impl $(<
[INFO] [stdout] 147 | |             $(
[INFO] [stdout] 148 | |                 $Args $(:
[INFO] [stdout] 149 | |                     $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |             $($Body)*
[INFO] [stdout] 157 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `const_trait` in this scope
[INFO] [stdout]   --> src/const_fn/mod.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[const_trait]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::internal::*`
[INFO] [stdout]   --> src/bool/and.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub use super::super::internal::*;
[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 import: `super::super::*`
[INFO] [stdout]   --> src/list/mod.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub use super::super::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct`
[INFO] [stdout]   --> src/const_fn/to_result_const_fn.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::marker::Destruct;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]    = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_destruct`
[INFO] [stdout]    --> src/meta.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           -----------------     ^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           trait is not stable as const yet
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout]  19 | / meta!{
[INFO] [stdout]  20 | |     pub type ToResultConstFn<
[INFO] [stdout]  21 | |         Out,
[INFO] [stdout]  22 | |         Args: ~const Destruct,
[INFO] [stdout] ...   |
[INFO] [stdout]  32 | |             WrapConstFn<std::result::Result<Out, &'static str>, Args, ToResultConstFnErrorImpl<Out, Args>>>;
[INFO] [stdout]  33 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]     = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct`
[INFO] [stdout]    --> src/meta.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout]  19 | / meta!{
[INFO] [stdout]  20 | |     pub type ToResultConstFn<
[INFO] [stdout]  21 | |         Out,
[INFO] [stdout]  22 | |         Args: ~const Destruct,
[INFO] [stdout] ...   |
[INFO] [stdout]  32 | |             WrapConstFn<std::result::Result<Out, &'static str>, Args, ToResultConstFnErrorImpl<Out, Args>>>;
[INFO] [stdout]  33 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]     = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_destruct`
[INFO] [stdout]    --> src/meta.rs:149:45
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                         -----------------     ^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         trait is not stable as const yet
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout]  19 | / meta!{
[INFO] [stdout]  20 | |     pub type ToResultConstFn<
[INFO] [stdout]  21 | |         Out,
[INFO] [stdout]  22 | |         Args: ~const Destruct,
[INFO] [stdout] ...   |
[INFO] [stdout]  32 | |             WrapConstFn<std::result::Result<Out, &'static str>, Args, ToResultConstFnErrorImpl<Out, Args>>>;
[INFO] [stdout]  33 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]     = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct`
[INFO] [stdout]    --> src/meta.rs:149:45
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:19:1
[INFO] [stdout]     |
[INFO] [stdout]  19 | / meta!{
[INFO] [stdout]  20 | |     pub type ToResultConstFn<
[INFO] [stdout]  21 | |         Out,
[INFO] [stdout]  22 | |         Args: ~const Destruct,
[INFO] [stdout] ...   |
[INFO] [stdout]  32 | |             WrapConstFn<std::result::Result<Out, &'static str>, Args, ToResultConstFnErrorImpl<Out, Args>>>;
[INFO] [stdout]  33 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]     = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct`
[INFO] [stdout]   --> src/const_fn/to_result_const_fn.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use std::marker::Destruct;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]    = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_destruct`
[INFO] [stdout]    --> src/meta.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           -----------------     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           trait is not stable as const yet
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:40:5
[INFO] [stdout]     |
[INFO] [stdout]  40 | /     meta!{
[INFO] [stdout]  41 | |         pub struct ToResultConstFnAdapter<Out, Args>: Functor1<ConstFn<Out, Args>, Result<ConstFn<std::result::Result<Out, &'stat...
[INFO] [stdout]  42 | |             type Apply<X: Expr<ConstFn<Out, Args>>> = Ok<ConstFn<std::result::Result<Out, &'static str>, Args>, WrapConstFn<std::...
[INFO] [stdout] ...   |
[INFO] [stdout]  56 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]     = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct`
[INFO] [stdout]    --> src/meta.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:40:5
[INFO] [stdout]     |
[INFO] [stdout]  40 | /     meta!{
[INFO] [stdout]  41 | |         pub struct ToResultConstFnAdapter<Out, Args>: Functor1<ConstFn<Out, Args>, Result<ConstFn<std::result::Result<Out, &'stat...
[INFO] [stdout]  42 | |             type Apply<X: Expr<ConstFn<Out, Args>>> = Ok<ConstFn<std::result::Result<Out, &'static str>, Args>, WrapConstFn<std::...
[INFO] [stdout] ...   |
[INFO] [stdout]  56 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]     = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_destruct`
[INFO] [stdout]    --> src/meta.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...           $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |  _______________________________________^
[INFO] [stdout] 135 | | ...           $(+
[INFO] [stdout] 136 | | ...               $(~$Arg1BoundsConst)* $($Arg1BoundsIdents $(<$Arg1BoundsIdentsTypeArg1 $(, $Arg1BoundsIdentsTypeArgs)* >)?)::*
[INFO] [stdout] 137 | | ...           )*
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | | ...   $Args $(:
[INFO] [stdout] 149 | | ...       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     | |_____________-----------------____^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               trait is not stable as const yet
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:40:5
[INFO] [stdout]     |
[INFO] [stdout]  40 | /     meta!{
[INFO] [stdout]  41 | |         pub struct ToResultConstFnAdapter<Out, Args>: Functor1<ConstFn<Out, Args>, Result<ConstFn<std::result::Result<Out, &'stat...
[INFO] [stdout]  42 | |             type Apply<X: Expr<ConstFn<Out, Args>>> = Ok<ConstFn<std::result::Result<Out, &'static str>, Args>, WrapConstFn<std::...
[INFO] [stdout] ...   |
[INFO] [stdout]  56 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]     = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `const_destruct`
[INFO] [stdout]    --> src/meta.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...           $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |  _______________________________________^
[INFO] [stdout] 135 | | ...           $(+
[INFO] [stdout] 136 | | ...               $(~$Arg1BoundsConst)* $($Arg1BoundsIdents $(<$Arg1BoundsIdentsTypeArg1 $(, $Arg1BoundsIdentsTypeArgs)* >)?)::*
[INFO] [stdout] 137 | | ...           )*
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | | ...   $Args $(:
[INFO] [stdout] 149 | | ...       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:40:5
[INFO] [stdout]     |
[INFO] [stdout]  40 | /     meta!{
[INFO] [stdout]  41 | |         pub struct ToResultConstFnAdapter<Out, Args>: Functor1<ConstFn<Out, Args>, Result<ConstFn<std::result::Result<Out, &'stat...
[INFO] [stdout]  42 | |             type Apply<X: Expr<ConstFn<Out, Args>>> = Ok<ConstFn<std::result::Result<Out, &'static str>, Args>, WrapConstFn<std::...
[INFO] [stdout] ...   |
[INFO] [stdout]  56 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #133214 <https://github.com/rust-lang/rust/issues/133214> for more information
[INFO] [stdout]     = help: add `#![feature(const_destruct)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bool/to_bool.rs:26:5
[INFO] [stdout]     |
[INFO] [stdout]  26 | /     meta! {
[INFO] [stdout]  27 | |         pub struct ToTrueBoolConstFnImpl: const ConstFnTrait<bool, ()> {
[INFO] [stdout]  28 | |             fn apply(_: ()) -> bool {
[INFO] [stdout]  29 | |                 return true;
[INFO] [stdout] ...   |
[INFO] [stdout]  38 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/bool/to_bool.rs:26:5
[INFO] [stdout]     |
[INFO] [stdout]  26 | /     meta! {
[INFO] [stdout]  27 | |         pub struct ToTrueBoolConstFnImpl: const ConstFnTrait<bool, ()> {
[INFO] [stdout]  28 | |             fn apply(_: ()) -> bool {
[INFO] [stdout]  29 | |                 return true;
[INFO] [stdout] ...   |
[INFO] [stdout]  38 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/no_op.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 | /     meta!{
[INFO] [stdout]  29 | |         pub struct NoOpConstFnImpl: const ConstFnTrait<(), ()> {
[INFO] [stdout]  30 | |             fn apply(_: ()) -> () {}
[INFO] [stdout]  31 | |         }
[INFO] [stdout]  32 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:40:5
[INFO] [stdout]     |
[INFO] [stdout]  40 | /     meta!{
[INFO] [stdout]  41 | |         pub struct ToResultConstFnAdapter<Out, Args>: Functor1<ConstFn<Out, Args>, Result<ConstFn<std::result::Result<Out, &'stat...
[INFO] [stdout]  42 | |             type Apply<X: Expr<ConstFn<Out, Args>>> = Ok<ConstFn<std::result::Result<Out, &'static str>, Args>, WrapConstFn<std::...
[INFO] [stdout] ...   |
[INFO] [stdout]  56 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/to_result_const_fn.rs:40:5
[INFO] [stdout]     |
[INFO] [stdout]  40 | /     meta!{
[INFO] [stdout]  41 | |         pub struct ToResultConstFnAdapter<Out, Args>: Functor1<ConstFn<Out, Args>, Result<ConstFn<std::result::Result<Out, &'stat...
[INFO] [stdout]  42 | |             type Apply<X: Expr<ConstFn<Out, Args>>> = Ok<ConstFn<std::result::Result<Out, &'static str>, Args>, WrapConstFn<std::...
[INFO] [stdout] ...   |
[INFO] [stdout]  56 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/result/check_no_error.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout]  28 | /     meta!{
[INFO] [stdout]  29 | |         pub struct PanickingConstFnImpl<E>: const ConstFnTrait<(), ()> {
[INFO] [stdout]  30 | |             fn apply(_: ()) -> () {
[INFO] [stdout]  31 | |                 panic!("Error found in check_no_error");
[INFO] [stdout] ...   |
[INFO] [stdout]  39 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/usize/to_usize.rs:42:5
[INFO] [stdout]     |
[INFO] [stdout]  42 | /     meta!{
[INFO] [stdout]  43 | |         pub struct ToUSizeErrorImpl: const ConstFnTrait<std::result::Result<usize, &'static str>, ()> {
[INFO] [stdout]  44 | |             fn apply(_: ()) -> std::result::Result<usize, &'static str> {
[INFO] [stdout]  45 | |                 panic!("result_to_usize called on an error")
[INFO] [stdout] ...   |
[INFO] [stdout]  71 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/usize/to_usize.rs:42:5
[INFO] [stdout]     |
[INFO] [stdout]  42 | /     meta!{
[INFO] [stdout]  43 | |         pub struct ToUSizeErrorImpl: const ConstFnTrait<std::result::Result<usize, &'static str>, ()> {
[INFO] [stdout]  44 | |             fn apply(_: ()) -> std::result::Result<usize, &'static str> {
[INFO] [stdout]  45 | |                 panic!("result_to_usize called on an error")
[INFO] [stdout] ...   |
[INFO] [stdout]  71 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `ConstFnTrait` which is not `const`
[INFO] [stdout]    --> src/meta.rs:155:32
[INFO] [stdout]     |
[INFO] [stdout] 155 |           >)* $($ReturnIdents1 $($ReturnIdents2)* $(<$($ReturnIdentsTypeArgs),*>)*)::* for $Fn $(<$($Args),*>)* {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/usize/to_usize.rs:42:5
[INFO] [stdout]     |
[INFO] [stdout]  42 | /     meta!{
[INFO] [stdout]  43 | |         pub struct ToUSizeErrorImpl: const ConstFnTrait<std::result::Result<usize, &'static str>, ()> {
[INFO] [stdout]  44 | |             fn apply(_: ()) -> std::result::Result<usize, &'static str> {
[INFO] [stdout]  45 | |                 panic!("result_to_usize called on an error")
[INFO] [stdout] ...   |
[INFO] [stdout]  71 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]    --> src/meta.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ can't be applied to `const_fn::ConstFnTrait`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:38:1
[INFO] [stdout]     |
[INFO] [stdout]  38 | / meta!{
[INFO] [stdout]  39 | |     pub struct WrapConstFn<
[INFO] [stdout]  40 | |         Result,
[INFO] [stdout]  41 | |         Args,
[INFO] [stdout] ...   |
[INFO] [stdout]  46 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `const_fn::ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]    --> src/meta.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ can't be applied to `const_fn::ConstFnTrait`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `const_fn::ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]    --> src/meta.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ can't be applied to `const_fn::ConstFnTrait`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:38:1
[INFO] [stdout]     |
[INFO] [stdout]  38 | / meta!{
[INFO] [stdout]  39 | |     pub struct WrapConstFn<
[INFO] [stdout]  40 | |         Result,
[INFO] [stdout]  41 | |         Args,
[INFO] [stdout] ...   |
[INFO] [stdout]  46 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `const_fn::ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]   --> src/const_fn/mod.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |         type Fn: ~const ConstFnTrait<Result, Args>;
[INFO] [stdout]    |                  ^^^^^^ can't be applied to `const_fn::ConstFnTrait`
[INFO] [stdout]    |
[INFO] [stdout] help: mark `const_fn::ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]    |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]    --> src/meta.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ can't be applied to `const_fn::ConstFnTrait`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `const_fn::ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]    --> src/meta.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 149 |                       $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^ can't be applied to `const_fn::ConstFnTrait`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `const_fn::ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[const]` can only be applied to `const` traits
[INFO] [stdout]    --> src/meta.rs:134:27
[INFO] [stdout]     |
[INFO] [stdout] 134 |   ...   $(~$Arg1Bound1Const)* $($Arg1Bound1Idents $(<$Arg1Bound1IdentsTypeArg1 $(, $Arg1Bound1IdentsTypeArgs)* >)?)::*
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ can't be applied to `const_fn::ConstFnTrait`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/const_fn/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     meta!{
[INFO] [stdout] 100 | |         pub struct WrapConstFnImpl<
[INFO] [stdout] 101 | |             Result,
[INFO] [stdout] 102 | |             Args,
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `meta` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: mark `const_fn::ConstFnTrait` as `const` to allow it to have `const` implementations
[INFO] [stdout]    --> src/const_fn/mod.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout]  34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]     |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const associated function `<<const_fn::internal::AsConstFn<Out, Args, F> as const_fn::internal::ConstFnTraitWrapper<Out, Args>>::Fn as const_fn::ConstFnTrait<Out, Args>>::apply` in constant functions
[INFO] [stdout]   --> src/const_fn/call.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     return <<AsConstFn<Out, Args, F> as ConstFnTraitWrapper<Out, Args>>::Fn as ConstFnTrait<Out, Args>>::apply(args);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: associated function `apply` is not const because trait `ConstFnTrait` is not const
[INFO] [stdout]   --> src/const_fn/mod.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub trait ConstFnTrait<Result, Args> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not const
[INFO] [stdout] 35 |     fn apply(args: Args) -> Result;
[INFO] [stdout]    |     ------------------------------- this associated function is not const
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: consider making trait `ConstFnTrait` const
[INFO] [stdout]   --> src/const_fn/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const trait ConstFnTrait<Result, Args> {
[INFO] [stdout]    |     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Args` cannot be evaluated at compile-time
[INFO] [stdout]   --> src/const_fn/to_result_const_fn.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |             fn apply(_: Args) -> std::result::Result<Out, &'static str> {
[INFO] [stdout]    |                      ^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] 53 |                 return Err("error Result in ToResultConstFn")
[INFO] [stdout] 54 |             }
[INFO] [stdout]    |             - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0493, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matr` (lib) due to 40 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3f71981ce33eaa77b95f689e079b702cbe913c787aa2dc48d40ef4b23088f9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f71981ce33eaa77b95f689e079b702cbe913c787aa2dc48d40ef4b23088f9ac", kill_on_drop: false }`
[INFO] [stdout] 3f71981ce33eaa77b95f689e079b702cbe913c787aa2dc48d40ef4b23088f9ac