[INFO] fetching crate boxfnonce 0.1.1...
[INFO] checking boxfnonce-0.1.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate boxfnonce 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate boxfnonce 0.1.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boxfnonce 0.1.1
[INFO] finished tweaking crates.io crate boxfnonce 0.1.1
[INFO] tweaked toml for crates.io crate boxfnonce 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cfd2644073f2e4a6900dd7af44250477a104be27997ff89a50e2276e1cddfbe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4cfd2644073f2e4a6900dd7af44250477a104be27997ff89a50e2276e1cddfbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cfd2644073f2e4a6900dd7af44250477a104be27997ff89a50e2276e1cddfbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfd2644073f2e4a6900dd7af44250477a104be27997ff89a50e2276e1cddfbe", kill_on_drop: false }`
[INFO] [stdout] 4cfd2644073f2e4a6900dd7af44250477a104be27997ff89a50e2276e1cddfbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7aeb12da8cd9a74c0c86ea7f6f15857c626ba86c6325617c91c937cf8f949b6
[INFO] running `Command { std: "docker" "start" "-a" "a7aeb12da8cd9a74c0c86ea7f6f15857c626ba86c6325617c91c937cf8f949b6", kill_on_drop: false }`
[INFO] [stderr]     Checking boxfnonce v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/no_send.rs:50:55
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<FnBox<Arguments, Result> + 'a>);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Arguments, Result> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(BoxFnOnce[]: );
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/send.rs:41:70
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Arguments, Result> + Send + 'a`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/no_send.rs:50:55
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<FnBox<Arguments, Result> + 'a>);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Arguments, Result> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(BoxFnOnce[]: );
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/send.rs:41:70
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Arguments, Result> + Send + 'a`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (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/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7aeb12da8cd9a74c0c86ea7f6f15857c626ba86c6325617c91c937cf8f949b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7aeb12da8cd9a74c0c86ea7f6f15857c626ba86c6325617c91c937cf8f949b6", kill_on_drop: false }`
[INFO] [stdout] a7aeb12da8cd9a74c0c86ea7f6f15857c626ba86c6325617c91c937cf8f949b6