[INFO] fetching crate hadean 0.2.4...
[INFO] testing hadean-0.2.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate hadean 0.2.4 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate hadean 0.2.4
[INFO] finished tweaking crates.io crate hadean 0.2.4
[INFO] tweaked toml for crates.io crate hadean 0.2.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hadean 0.2.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v0.8.0 (available: v2.0.1)
[INFO] [stderr]       Adding lazy_static v0.1.16 (available: v1.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aidanhs-tmp-parse-generics-shim v0.1.3
[INFO] [stderr]   Downloaded bincode v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04c510f73fa7b9c2032d2516b0c749c4936dccc1281571d73271cfc6689701f7
[INFO] running `Command { std: "docker" "start" "-a" "04c510f73fa7b9c2032d2516b0c749c4936dccc1281571d73271cfc6689701f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c510f73fa7b9c2032d2516b0c749c4936dccc1281571d73271cfc6689701f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c510f73fa7b9c2032d2516b0c749c4936dccc1281571d73271cfc6689701f7", kill_on_drop: false }`
[INFO] [stdout] 04c510f73fa7b9c2032d2516b0c749c4936dccc1281571d73271cfc6689701f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4722c1d900269f899a7c8507435dd5250c191aefda3e6769a43d81656b91da3f
[INFO] running `Command { std: "docker" "start" "-a" "4722c1d900269f899a7c8507435dd5250c191aefda3e6769a43d81656b91da3f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling aidanhs-tmp-parse-generics-shim v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling hadean v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.0.0; see <https://github.com/rust-lang/rust/pull/49982> for more information
[INFO] [stdout]   = note: subsumed by `pub use`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:78
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   |                                                                              ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.50.0; see <https://github.com/rust-lang/rust/pull/79336> for more information
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::raw;
[INFO] [stdout]    |     ^^^^^^^^ no `raw` in the root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these modules instead
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::os::linux::raw;
[INFO] [stdout]    |          +++++++++++
[INFO] [stdout] 35 | use std::os::raw;
[INFO] [stdout]    |          ++++
[INFO] [stdout] 35 | use std::os::unix::raw;
[INFO] [stdout]    |          ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::raw;
[INFO] [stdout]     |             ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 | ...   use std::raw;
[INFO] [stdout]     |           ^^^^^^^^ no `raw` in the root
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]     |
[INFO] [stdout] 250 |         use std::os::linux::raw;
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 250 |         use std::os::raw;
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 250 |         use std::os::unix::raw;
[INFO] [stdout]     |                  ++++++++++
[INFO] [stdout] 250 -         use std::raw;
[INFO] [stdout] 250 +         use raw;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `macro_reexport` in this scope
[INFO] [stdout]   --> src/lib.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_reexport(parse_generics_shim,parse_constr,parse_generics_shim_util)]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `macro_export`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: function `lang_start` is private
[INFO] [stdout]    --> src/hoff.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 |     rt::lang_start(unsafe { __hadean_rust_lib_main }, 0, &null_argv as *const _);
[INFO] [stdout]     |         ^^^^^^^^^^ private function
[INFO] [stdout]     |
[INFO] [stdout] note: the function `lang_start` is defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:199:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `allow_internal_unstable` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:103
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   |                                                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/hoff.rs:167:104
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let shim_main: unsafe extern "C" fn(arg: *const u8, arg_len: u64) -> i32 = __hadean_rust_shim_main as extern fn(_, _) -> _;
[INFO] [stdout]     |                                                                                                           ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/hoff.rs:181:56
[INFO] [stdout]     |
[INFO] [stdout] 181 |         *hoff_var(&__hadean_rust_user_main) = mem::transmute(((user_main as *const () as u64) - base));
[INFO] [stdout]     |                                                              ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 181 -         *hoff_var(&__hadean_rust_user_main) = mem::transmute(((user_main as *const () as u64) - base));
[INFO] [stdout] 181 +         *hoff_var(&__hadean_rust_user_main) = mem::transmute((user_main as *const () as u64) - base);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/hoff.rs:182:55
[INFO] [stdout]     |
[INFO] [stdout] 182 |         *hoff_var(&__hadean_rust_lib_main) = mem::transmute(((lib_main as *const () as u64) - base));
[INFO] [stdout]     |                                                             ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 -         *hoff_var(&__hadean_rust_lib_main) = mem::transmute(((lib_main as *const () as u64) - base));
[INFO] [stdout] 182 +         *hoff_var(&__hadean_rust_lib_main) = mem::transmute((lib_main as *const () as u64) - base);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/hoff.rs:183:46
[INFO] [stdout]     |
[INFO] [stdout] 183 |         *hoff_var(&__hadean_main) = mem::transmute(((shim_main as *const () as u64) - base));
[INFO] [stdout]     |                                                    ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -         *hoff_var(&__hadean_main) = mem::transmute(((shim_main as *const () as u64) - base));
[INFO] [stdout] 183 +         *hoff_var(&__hadean_main) = mem::transmute((shim_main as *const () as u64) - base);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 |                         };
[INFO] [stdout]     |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 125 |                 let size = tupget!(u64, 1);
[INFO] [stdout]     |                            --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this error originates in the macro `tupget` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 |                         };
[INFO] [stdout]     |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 126 |                 let vtable_ptr = tupget!(u64, 2);
[INFO] [stdout]     |                                  --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `tupget` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 |                         };
[INFO] [stdout]     |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 127 |                 let data = tupget!(Vec<u8>, 3);
[INFO] [stdout]     |                            ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `tupget` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:353:46
[INFO] [stdout]     |
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |                                                 ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 353 -     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout] 353 +     let s = closure!([x: usize],        |y: u8| x + y as usize); s(y); s(y);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:354:46
[INFO] [stdout]     |
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 354 -     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout] 354 +     let s = closure!([x: usize, y: u8], |x: u8| x + 1); s(3); s(3);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]    --> src/lib.rs:799:1
[INFO] [stdout]     |
[INFO] [stdout] 799 | / lazy_static! {
[INFO] [stdout] 800 | |     static ref MYPID: Pid = Pid(unsafe { link::HGetPid() });
[INFO] [stdout] 801 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `lazy_static` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = help: the macro `lazy_static` may come from an old version of the `lazy_static` crate, try updating your dependency with `cargo update -p lazy_static`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]    --> src/lib.rs:799:1
[INFO] [stdout]     |
[INFO] [stdout] 799 | / lazy_static! {
[INFO] [stdout] 800 | |     static ref MYPID: Pid = Pid(unsafe { link::HGetPid() });
[INFO] [stdout] 801 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `lazy_static` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = help: the macro `lazy_static` may come from an old version of the `lazy_static` crate, try updating your dependency with `cargo update -p lazy_static`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/lib.rs:848:2
[INFO] [stdout]     |
[INFO] [stdout] 848 |     extern {
[INFO] [stdout]     |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `allow_internal_unstable` expects a list of feature names
[INFO] [stdout]    --> src/lib.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:326:32
[INFO] [stdout]     |
[INFO] [stdout] 326 | ...         let $x: $t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...       extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...       extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 | ...       extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]    --> src/lib.rs:799:1
[INFO] [stdout]     |
[INFO] [stdout] 799 | / lazy_static! {
[INFO] [stdout] 800 | |     static ref MYPID: Pid = Pid(unsafe { link::HGetPid() });
[INFO] [stdout] 801 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]    --> src/lib.rs:799:1
[INFO] [stdout]     |
[INFO] [stdout] 799 | / lazy_static! {
[INFO] [stdout] 800 | |     static ref MYPID: Pid = Pid(unsafe { link::HGetPid() });
[INFO] [stdout] 801 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:492:113
[INFO] [stdout]     |
[INFO] [stdout] 492 | ...iver(bufptr as *mut _, buflen) }, unsafe { Box::new(mem::uninitialized()) }, 0);
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:547:107
[INFO] [stdout]     |
[INFO] [stdout] 547 | ...   let sender = SenderInner(unsafe { link::HOpenSender(bufptr as *mut _, buflen) }, unsafe { Box::new(mem::uninitialized()) }, 0);
[INFO] [stdout]     |                                                                                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `raw`
[INFO] [stdout]  --> src/lib.rs:1:99
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   |                                                                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/hoff.rs:105:57
[INFO] [stdout]     |
[INFO] [stdout] 105 | extern "C" fn __hadean_rust_shim_main(arg: *const libc::uint8_t, _arg_len: libc::uint64_t) -> libc::c_int {
[INFO] [stdout]     |                                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/hoff.rs:105:82
[INFO] [stdout]     |
[INFO] [stdout] 105 | extern "C" fn __hadean_rust_shim_main(arg: *const libc::uint8_t, _arg_len: libc::uint64_t) -> libc::c_int {
[INFO] [stdout]     |                                                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/hoff.rs:122:65
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub extern "C" fn hadean_local_rust_shim_main(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int {
[INFO] [stdout]     |                                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/hoff.rs:122:89
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub extern "C" fn hadean_local_rust_shim_main(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int {
[INFO] [stdout]     |                                                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/hoff.rs:145:56
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub shim_main: unsafe extern "C" fn(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int,
[INFO] [stdout]     |                                                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/hoff.rs:145:80
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub shim_main: unsafe extern "C" fn(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int,
[INFO] [stdout]     |                                                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/hoff.rs:175:161
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...afe fn(), shim_main: unsafe extern "C" fn(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int, arg: &[u8]) -> Vec...
[INFO] [stdout]     |                                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/hoff.rs:175:185
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...afe extern "C" fn(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int, arg: &[u8]) -> Vec<u8> {
[INFO] [stdout]     |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/hoff.rs:153:54
[INFO] [stdout]     |
[INFO] [stdout] 153 |             shim_main: unsafe extern "C" fn(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int
[INFO] [stdout]     |                                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/hoff.rs:153:78
[INFO] [stdout]     |
[INFO] [stdout] 153 |             shim_main: unsafe extern "C" fn(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int
[INFO] [stdout]     |                                                                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/hoff.rs:83:63
[INFO] [stdout]    |
[INFO] [stdout] 83 |     static __hadean_main: unsafe extern "C" fn(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int;
[INFO] [stdout]    |                                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/hoff.rs:83:87
[INFO] [stdout]    |
[INFO] [stdout] 83 |     static __hadean_main: unsafe extern "C" fn(arg: *const libc::uint8_t, arg_len: libc::uint64_t) -> libc::c_int;
[INFO] [stdout]    |                                                                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/lib.rs:812:28
[INFO] [stdout]     |
[INFO] [stdout] 812 |         pub secarg: *const libc::uint8_t,
[INFO] [stdout]     |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:813:24
[INFO] [stdout]     |
[INFO] [stdout] 813 |         pub secarglen: libc::uint64_t,
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:818:23
[INFO] [stdout]     |
[INFO] [stdout] 818 |         pub hoff_len: libc::uint64_t,
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:859:29
[INFO] [stdout]     |
[INFO] [stdout] 859 |         pub fn HGetPid() -> libc::uint64_t;
[INFO] [stdout]     |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/lib.rs:860:42
[INFO] [stdout]     |
[INFO] [stdout] 860 |         pub fn hadean_sleep(nanoseconds: libc::uint64_t);
[INFO] [stdout]     |                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl<I, O> Clone for Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl<I, O> Clone for Box<dyn FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:635:20
[INFO] [stdout]     |
[INFO] [stdout] 635 |     process_data: Box<ProcessData>,
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 635 |     process_data: Box<dyn ProcessData>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl<I, O> Serialize for Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl<I, O> Serialize for Box<dyn FnSerialize<I, Output=O>> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<'de, I, O> Deserialize<'de> for Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl<'de, I, O> Deserialize<'de> for Box<dyn FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:171:27
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub trait FnSerialize<T>: Fn<T> {
[INFO] [stdout]     |                           ^^^^^ the trait `Tuple` is not implemented for `T`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout] help: consider restricting type parameter `T` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub trait FnSerialize<T: std::marker::Tuple>: Fn<T> {
[INFO] [stdout]     |                        ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 |             fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 |         fn choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:330:29
[INFO] [stdout]     |
[INFO] [stdout] 330 | ...     fn choose_pd_t<I, O>(_: &Fn<I, Output=O>) -> PhantomData<(I, O)> { PhantomData }
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:96
[INFO] [stdout]     |
[INFO] [stdout] 333 | ...n choose_t<I: 'static, O: 'static, $( $gtb )*>(_: PhantomData<(I, O)>, $( $x:$t, )*) -> Box<FnSerialize<I, Output=O>> {
[INFO] [stdout]     |                                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...et s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |           ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                                ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...       extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:271:26
[INFO] [stdout]     |
[INFO] [stdout] 271 | ... impl<I, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                            ^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...       extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnMut` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:277:26
[INFO] [stdout]     |
[INFO] [stdout] 277 | ... impl<I, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                            ^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnMut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:163:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 | ...       extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `FnOnce`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:242:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `Fn` trait must be a tuple
[INFO] [stdout]    --> src/lib.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 | ... impl<I, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |                            ^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Fn`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:76:0
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 |             extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 |             extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 |             extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:273:4
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...       extern "rust-call" fn call_once(self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:278:4
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...       extern "rust-call" fn call_mut(&mut self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
[INFO] [stdout]    --> src/lib.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 | ...       extern "rust-call" fn call(&self, args: I) -> Self::Output {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout] ...
[INFO] [stdout] 367 | ...   let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |               ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:688:57
[INFO] [stdout]     |
[INFO] [stdout] 688 |     fn into_haprocess_and_box(self) -> (link::Process, Box<Any>) {
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 688 |     fn into_haprocess_and_box(self) -> (link::Process, Box<dyn Any>) {
[INFO] [stdout]     |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 4 arguments but 3 arguments were supplied
[INFO] [stdout]    --> src/hoff.rs:114:2
[INFO] [stdout]     |
[INFO] [stdout] 114 |     rt::lang_start(unsafe { __hadean_rust_lib_main }, 0, &null_argv as *const _);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^-------------------------------------------------------------- argument #4 of type `u8` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:199:3
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 114 |     rt::lang_start(unsafe { __hadean_rust_lib_main }, 0, &null_argv as *const _, /* u8 */);
[INFO] [stdout]     |                                                                                ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let tobj = unsafe { mem::transmute::<raw::TraitObject, Box<FnSerialize<I, Output=O>>>(tobj) };
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let tobj = unsafe { mem::transmute::<raw::TraitObject, Box<dyn FnSerialize<I, Output=O>>>(tobj) };
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 348 |     let s = closure!([], || ()); s(); s();
[INFO] [stdout]     |             ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 349 |     let s = closure!([x: usize, y: u8], || { x + y as usize }); s(); s();
[INFO] [stdout]     |             -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     let s = closure!([x: usize, y: u8], || -> usize { x + y as usize }); s(); s();
[INFO] [stdout]     |             ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     let s = closure!([x: usize, y: u8], || {}); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     let s = closure!([x: usize, y: u8], || ()); s(); s();
[INFO] [stdout]     |             ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let s = closure!([x: usize],        |y: u8| (x + y as usize)); s(y); s(y);
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 354 |     let s = closure!([x: usize, y: u8], |x: u8| (x + 1)); s(3); s(3);
[INFO] [stdout]     |             -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     let s = closure!([x: usize, y: u8], |_x: u8| ()); s(3); s(3);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     let s = closure!([x: usize, y: u8], |x: usize, y: u8| x + y as usize); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     let s = closure!([x: usize, y: u8], |_x: u8, _y: u8| ()); s(3, 1); s(3, 1);
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     let s = closure!([nc: NonCopy], |x: u8| x + nc.val); s(1); s(1);
[INFO] [stdout]     |             ------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |         let s = closure!([T: 'static], [], |t: T| t); s(x); s(y);
[INFO] [stdout]     |                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 {self}.call_mut(args)
[INFO] [stdout]     |                        -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 self.call(args)
[INFO] [stdout]     |                      ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                              ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |             Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |         let s = closure!([T: Clone + 'static], [x: T], |y: T| (x.clone(), y)); s(y.clone()); s(y.clone());
[INFO] [stdout]     |                 ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:19
[INFO] [stdout]     |
[INFO] [stdout] 329 | ...     let f = &c as &Fn<closure!(__closureargstotuple, $( $closure )*), Output=_>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...         let tobj = self as &FnSerialize<I, Output=O>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:274:12
[INFO] [stdout]     |
[INFO] [stdout] 274 | ...         {self}.call_mut(args)
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 | ...         {self}.call_mut(args)
[INFO] [stdout]     |                    -------- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:166:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 271 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnOnce<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 | ...         self.call(args)
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 | ...         self.call(args)
[INFO] [stdout]     |                  ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 277 |         impl<I: std::marker::Tuple, O, $( $gtb )*> FnMut<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:36
[INFO] [stdout]     |
[INFO] [stdout] 294 | ...             unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:294:60
[INFO] [stdout]     |
[INFO] [stdout] 294 | ...             unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]    --> src/lib.rs:294:79
[INFO] [stdout]     |
[INFO] [stdout] 294 | ...             unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]     = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-06; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `I` is not a tuple
[INFO] [stdout]    --> src/lib.rs:294:84
[INFO] [stdout]     |
[INFO] [stdout] 294 | ...             unsafe { mem::transmute::<_, &Fn<I, Output=O>>(&c as &Fn<_, Output=_>) }.call(args)
[INFO] [stdout]     |                                                                                          ---- ^^^^ the trait `Tuple` is not implemented for `I`
[INFO] [stdout]     |                                                                                          |
[INFO] [stdout]     |                                                                                          required by a bound introduced by this call
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `call`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:79:4
[INFO] [stdout]     = note: this error originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider restricting type parameter `I` with unstable trait `Tuple`
[INFO] [stdout]     |
[INFO] [stdout] 282 |         impl<I: std::marker::Tuple, O, $( $gtb )*> Fn<I> for __TmpStruct<I, O, $( $gt, )*> {
[INFO] [stdout]     |               ++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 | ...     Box::new(ts) as Box<FnSerialize<I, Output=O>>
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 | ... let s = closure!([T1: Clone + 'static, T2: Clone + 'static], [x: T1, y: T2], |z: usize| (x.clone(), y.clone(), z)); s(5); s(5);
[INFO] [stdout]     |             ---------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `closure` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:684:25
[INFO] [stdout]     |
[INFO] [stdout] 684 |         let process_data: Box<ProcessData> = process_data;
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 684 |         let process_data: Box<dyn ProcessData> = process_data;
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset3` is never read
[INFO] [stdout]    --> src/hoff.rs:234:118
[INFO] [stdout]     |
[INFO] [stdout] 234 | ..., relocations_size); offset2 += relocations_size; offset3 += relocations_size;
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> src/lib.rs:586:37
[INFO] [stdout]     |
[INFO] [stdout] 586 |         serializer.serialize_u64(unsafe { mem::transmute::<TypeId, u64>(self.0) })
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `TypeId` (128 bits)
[INFO] [stdout]     = note: target type: `u64` (64 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> src/lib.rs:598:26
[INFO] [stdout]     |
[INFO] [stdout] 598 |                 Ok(MyTypeId(unsafe { mem::transmute::<u64, TypeId>(value) }))
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `u64` (64 bits)
[INFO] [stdout]     = note: target type: `TypeId` (128 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0059, E0061, E0277, E0432, E0512, E0557, E0603, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0059`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hadean` (lib) due to 283 previous errors; 151 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4722c1d900269f899a7c8507435dd5250c191aefda3e6769a43d81656b91da3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4722c1d900269f899a7c8507435dd5250c191aefda3e6769a43d81656b91da3f", kill_on_drop: false }`
[INFO] [stdout] 4722c1d900269f899a7c8507435dd5250c191aefda3e6769a43d81656b91da3f
