[INFO] crate microamp 0.1.0-alpha.4 is already in cache
[INFO] checking microamp-0.1.0-alpha.4 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate microamp 0.1.0-alpha.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate microamp 0.1.0-alpha.4 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate microamp 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate microamp 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate microamp 0.1.0-alpha.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f39b012f95eaab179b772d1740d76ce078dbe3edd6f6687029f162edfae0303
[INFO] running `"docker" "start" "-a" "8f39b012f95eaab179b772d1740d76ce078dbe3edd6f6687029f162edfae0303"`
[INFO] [stderr]    Compiling microamp-macros v0.1.0-alpha.4
[INFO] [stderr]     Checking microamp v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 26 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `microamp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:5:26
[INFO] [stderr]    |
[INFO] [stderr] 5  |         impl<R, $($T),*> !DataNotCode for fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]   --> src/export.rs:6:26
[INFO] [stderr]    |
[INFO] [stderr] 6  |         impl<R, $($T),*> !DataNotCode for extern "C" fn($($T),*) -> R {}
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | impls!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 26 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `microamp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8f39b012f95eaab179b772d1740d76ce078dbe3edd6f6687029f162edfae0303"`
[INFO] running `"docker" "rm" "-f" "8f39b012f95eaab179b772d1740d76ce078dbe3edd6f6687029f162edfae0303"`
[INFO] [stdout] 8f39b012f95eaab179b772d1740d76ce078dbe3edd6f6687029f162edfae0303