[INFO] fetching crate boxfnonce 0.1.1...
[INFO] testing boxfnonce-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate boxfnonce 0.1.1 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate boxfnonce 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3586f7a9fc9debe64a9ccd1090338126cea125ab9d3a0d2656c47e64b6301ca8
[INFO] running `Command { std: "docker" "start" "-a" "3586f7a9fc9debe64a9ccd1090338126cea125ab9d3a0d2656c47e64b6301ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3586f7a9fc9debe64a9ccd1090338126cea125ab9d3a0d2656c47e64b6301ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3586f7a9fc9debe64a9ccd1090338126cea125ab9d3a0d2656c47e64b6301ca8", kill_on_drop: false }`
[INFO] [stdout] 3586f7a9fc9debe64a9ccd1090338126cea125ab9d3a0d2656c47e64b6301ca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c5e231fd5ba381b1260c5c119fabed2ffd5e337a7be5291bd6830033daa258
[INFO] running `Command { std: "docker" "start" "-a" "77c5e231fd5ba381b1260c5c119fabed2ffd5e337a7be5291bd6830033daa258", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 1.06s
[INFO] running `Command { std: "docker" "inspect" "77c5e231fd5ba381b1260c5c119fabed2ffd5e337a7be5291bd6830033daa258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c5e231fd5ba381b1260c5c119fabed2ffd5e337a7be5291bd6830033daa258", kill_on_drop: false }`
[INFO] [stdout] 77c5e231fd5ba381b1260c5c119fabed2ffd5e337a7be5291bd6830033daa258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d723e92a0e80cb7404dc2c7d642a204879b885b1cd194e2b8b98d5b37c025e
[INFO] running `Command { std: "docker" "start" "-a" "a2d723e92a0e80cb7404dc2c7d642a204879b885b1cd194e2b8b98d5b37c025e", kill_on_drop: false }`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] [stderr]    Compiling boxfnonce v0.1.1 (/opt/rustwide/workdir)
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] [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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "a2d723e92a0e80cb7404dc2c7d642a204879b885b1cd194e2b8b98d5b37c025e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d723e92a0e80cb7404dc2c7d642a204879b885b1cd194e2b8b98d5b37c025e", kill_on_drop: false }`
[INFO] [stdout] a2d723e92a0e80cb7404dc2c7d642a204879b885b1cd194e2b8b98d5b37c025e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee1cda75c4734ad73426064100388c82fd113868f5042704f1e839b7cc31f5fe
[INFO] running `Command { std: "docker" "start" "-a" "ee1cda75c4734ad73426064100388c82fd113868f5042704f1e839b7cc31f5fe", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/no_send.rs:50:55
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<FnBox<Arguments, Result> + 'a>);
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Arguments, Result> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | build_n_args!(BoxFnOnce[]: );
[INFO] [stderr]    | ----------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[INFO] [stderr]    | ----------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[INFO] [stderr]    | ------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[INFO] [stderr]    | --------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stderr]    | ----------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stderr]    | ------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stderr]    | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stderr]    | ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stderr]    | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stderr]    | --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/no_send.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 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] [stderr]    | ------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/send.rs:41:70
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Arguments, Result> + Send + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[INFO] [stderr]    | -------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[INFO] [stderr]    | -------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[INFO] [stderr]    | ---------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[INFO] [stderr]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stderr]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stderr]    | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stderr]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stderr]    | -------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stderr]    | ---------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 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] [stderr]    | ------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/macros.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<($($typevar,)*), Result> $($add)* + 'a`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/send.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 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] [stderr]    | ---------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `boxfnonce` (lib) generated 24 warnings
[INFO] [stderr] warning: `boxfnonce` (lib test) generated 24 warnings (24 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/boxfnonce-ab9c1217307ee9df)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test no_send::test::test_arg0 ... ok
[INFO] [stdout] test no_send::test::test_arg1_fixed_argument_type ... ok
[INFO] [stdout] test no_send::test::test_arg3 ... ok
[INFO] [stdout] test send::test::test_arg2 ... ok
[INFO] [stdout] test send::test::test_arg0 ... ok
[INFO] [stdout] test send::test::test_arg4_void_to_nosend ... ok
[INFO] [stdout] test no_send::test::test_arg4_void ... ok
[INFO] [stdout] test no_send::test::test_arg1 ... ok
[INFO] [stdout] test send::test::test_arg1_fixed_argument_type ... ok
[INFO] [stdout] test send::test::test_arg4_void ... ok
[INFO] [stdout] test send::test::test_arg4_diverging ... ok
[INFO] [stdout] test send::test::test_arg3 ... ok
[INFO] [stdout] test no_send::test::test_arg2 ... ok
[INFO] [stdout] test send::test::test_arg1 ... ok
[INFO] [stderr]    Doc-tests boxfnonce
[INFO] [stdout] test no_send::test::test_arg4_diverging - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/no_send.rs - no_send::BoxFnOnce (line 29) ... ok
[INFO] [stdout] test src/no_send.rs - no_send::BoxFnOnce (line 41) ... ok
[INFO] [stdout] test src/send.rs - send::SendBoxFnOnce (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee1cda75c4734ad73426064100388c82fd113868f5042704f1e839b7cc31f5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1cda75c4734ad73426064100388c82fd113868f5042704f1e839b7cc31f5fe", kill_on_drop: false }`
[INFO] [stdout] ee1cda75c4734ad73426064100388c82fd113868f5042704f1e839b7cc31f5fe
