[INFO] fetching crate boxfnonce 0.1.1...
[INFO] testing boxfnonce-0.1.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate boxfnonce 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate boxfnonce 0.1.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd70ec8ed746374afc34c7314b162d7db158730e14ef55494210d04d9b251d35
[INFO] running `Command { std: "docker" "start" "-a" "fd70ec8ed746374afc34c7314b162d7db158730e14ef55494210d04d9b251d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd70ec8ed746374afc34c7314b162d7db158730e14ef55494210d04d9b251d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd70ec8ed746374afc34c7314b162d7db158730e14ef55494210d04d9b251d35", kill_on_drop: false }`
[INFO] [stdout] fd70ec8ed746374afc34c7314b162d7db158730e14ef55494210d04d9b251d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c080076343cb107b3b02d594eed7c77e14f5b39a2d3f9c547f015f2e4ebd5192
[INFO] running `Command { std: "docker" "start" "-a" "c080076343cb107b3b02d594eed7c77e14f5b39a2d3f9c547f015f2e4ebd5192", 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]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<dyn FnBox<Arguments, Result> + 'a>);
[INFO] [stdout]    |                                                       +++
[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]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<dyn FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stdout]    |                                                                      +++
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(BoxFnOnce[]: );
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[INFO] [stdout]    | ------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[INFO] [stdout]    | --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c080076343cb107b3b02d594eed7c77e14f5b39a2d3f9c547f015f2e4ebd5192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c080076343cb107b3b02d594eed7c77e14f5b39a2d3f9c547f015f2e4ebd5192", kill_on_drop: false }`
[INFO] [stdout] c080076343cb107b3b02d594eed7c77e14f5b39a2d3f9c547f015f2e4ebd5192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66643bf79124194f7e83dba82f294da786611362bbf6d67279927eb02f20f9cd
[INFO] running `Command { std: "docker" "start" "-a" "66643bf79124194f7e83dba82f294da786611362bbf6d67279927eb02f20f9cd", 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]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<dyn FnBox<Arguments, Result> + 'a>);
[INFO] [stdout]    |                                                       +++
[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]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<dyn FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stdout]    |                                                                      +++
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(BoxFnOnce[]: );
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[INFO] [stdout]    | ------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[INFO] [stdout]    | --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [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]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<dyn FnBox<Arguments, Result> + 'a>);
[INFO] [stdout]    |                                                       +++
[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]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<dyn FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stdout]    |                                                                      +++
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(BoxFnOnce[]: );
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[INFO] [stdout]    | ------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[INFO] [stdout]    | --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/no_send.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |     struct NoSendString(String, Rc<()>);
[INFO] [stdout]    |            ------------         ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 |     struct NoSendString(String, ());
[INFO] [stdout]    |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/send.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     struct SendString(String, Arc<()>);
[INFO] [stdout]    |            ----------         ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 83 |     struct SendString(String, ());
[INFO] [stdout]    |                               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "66643bf79124194f7e83dba82f294da786611362bbf6d67279927eb02f20f9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66643bf79124194f7e83dba82f294da786611362bbf6d67279927eb02f20f9cd", kill_on_drop: false }`
[INFO] [stdout] 66643bf79124194f7e83dba82f294da786611362bbf6d67279927eb02f20f9cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ca64e71b6f898ecca9c1ea1309cf2f850f4f28e0de7e3f409f006ae77c608da
[INFO] running `Command { std: "docker" "start" "-a" "3ca64e71b6f898ecca9c1ea1309cf2f850f4f28e0de7e3f409f006ae77c608da", 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]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<dyn FnBox<Arguments, Result> + 'a>);
[INFO] [stderr]    |                                                       +++
[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]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<dyn FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stderr]    |                                                                      +++
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 (run `cargo fix --lib -p boxfnonce` to apply 2 suggestions)
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/no_send.rs:96:30
[INFO] [stderr]    |
[INFO] [stderr] 96 |     struct NoSendString(String, Rc<()>);
[INFO] [stderr]    |            ------------         ^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 96 |     struct NoSendString(String, ());
[INFO] [stderr]    |                                 ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/send.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |     struct SendString(String, Arc<()>);
[INFO] [stderr]    |            ----------         ^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 83 |     struct SendString(String, ());
[INFO] [stderr]    |                               ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `boxfnonce` (lib test) generated 26 warnings (24 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/boxfnonce-62babd870f3b466a)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test no_send::test::test_arg3 ... ok
[INFO] [stdout] test no_send::test::test_arg0 ... ok
[INFO] [stdout] test no_send::test::test_arg4_void ... ok
[INFO] [stdout] test no_send::test::test_arg1_fixed_argument_type ... ok
[INFO] [stdout] test no_send::test::test_arg2 ... ok
[INFO] [stdout] test no_send::test::test_arg1 ... ok
[INFO] [stdout] test send::test::test_arg4_diverging ... ok
[INFO] [stdout] test send::test::test_arg4_void_to_nosend ... ok
[INFO] [stdout] test send::test::test_arg1_fixed_argument_type ... ok
[INFO] [stdout] test send::test::test_arg3 ... ok
[INFO] [stdout] test no_send::test::test_arg4_diverging - should panic ... ok
[INFO] [stdout] test send::test::test_arg2 ... ok
[INFO] [stdout] test send::test::test_arg1 ... ok
[INFO] [stdout] test send::test::test_arg4_void ... ok
[INFO] [stdout] test send::test::test_arg0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests boxfnonce
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/no_send.rs - no_send::BoxFnOnce (line 41) ... ok
[INFO] [stdout] test src/no_send.rs - no_send::BoxFnOnce (line 29) ... 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 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ca64e71b6f898ecca9c1ea1309cf2f850f4f28e0de7e3f409f006ae77c608da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca64e71b6f898ecca9c1ea1309cf2f850f4f28e0de7e3f409f006ae77c608da", kill_on_drop: false }`
[INFO] [stdout] 3ca64e71b6f898ecca9c1ea1309cf2f850f4f28e0de7e3f409f006ae77c608da
[INFO] testing boxfnonce-0.1.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate boxfnonce 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate boxfnonce 0.1.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d14893de2cf764a6edbfc51f465281a00a1ff7b132c75e4f1bc9eb2c8b3e158
[INFO] running `Command { std: "docker" "start" "-a" "5d14893de2cf764a6edbfc51f465281a00a1ff7b132c75e4f1bc9eb2c8b3e158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d14893de2cf764a6edbfc51f465281a00a1ff7b132c75e4f1bc9eb2c8b3e158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d14893de2cf764a6edbfc51f465281a00a1ff7b132c75e4f1bc9eb2c8b3e158", kill_on_drop: false }`
[INFO] [stdout] 5d14893de2cf764a6edbfc51f465281a00a1ff7b132c75e4f1bc9eb2c8b3e158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8fd8288cd15dce7f42e86918f925765b5228e9e035502cd280ea127fb847a97
[INFO] running `Command { std: "docker" "start" "-a" "e8fd8288cd15dce7f42e86918f925765b5228e9e035502cd280ea127fb847a97", 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]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<dyn FnBox<Arguments, Result> + 'a>);
[INFO] [stdout]    |                                                       +++
[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]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<dyn FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stdout]    |                                                                      +++
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(BoxFnOnce[]: );
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[INFO] [stdout]    | ------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[INFO] [stdout]    | --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "e8fd8288cd15dce7f42e86918f925765b5228e9e035502cd280ea127fb847a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fd8288cd15dce7f42e86918f925765b5228e9e035502cd280ea127fb847a97", kill_on_drop: false }`
[INFO] [stdout] e8fd8288cd15dce7f42e86918f925765b5228e9e035502cd280ea127fb847a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c469c3fd318e7612f9d16fa5d735642685d94cfcfb765b68fd9da407d9fee2
[INFO] running `Command { std: "docker" "start" "-a" "f2c469c3fd318e7612f9d16fa5d735642685d94cfcfb765b68fd9da407d9fee2", 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]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<dyn FnBox<Arguments, Result> + 'a>);
[INFO] [stdout]    |                                                       +++
[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]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<dyn FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stdout]    |                                                                      +++
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(BoxFnOnce[]: );
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[INFO] [stdout]    | ------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[INFO] [stdout]    | --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    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]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<dyn FnBox<Arguments, Result> + 'a>);
[INFO] [stdout]    |                                                       +++
[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]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<dyn FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stdout]    |                                                                      +++
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(BoxFnOnce[]: );
[INFO] [stdout]    | ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(BoxFnOnce[]: a1: A1);
[INFO] [stdout]    | ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2);
[INFO] [stdout]    | ------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/no_send.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | build_n_args!(BoxFnOnce[]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | build_n_args!(SendBoxFnOnce[+Send]: );
[INFO] [stdout]    | ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1);
[INFO] [stdout]    | ------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2);
[INFO] [stdout]    | --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3);
[INFO] [stdout]    | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4);
[INFO] [stdout]    | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5);
[INFO] [stdout]    | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6);
[INFO] [stdout]    | ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9);
[INFO] [stdout]    | ----------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/macros.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 $name(Box::new(func) as Box<FnBox<($($typevar,)*), Result> $($add)* + 'a>)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/send.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | build_n_args!(SendBoxFnOnce[+Send]: a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10);
[INFO] [stdout]    | --------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: this warning originates in the macro `build_n_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/no_send.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |     struct NoSendString(String, Rc<()>);
[INFO] [stdout]    |            ------------         ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 96 |     struct NoSendString(String, ());
[INFO] [stdout]    |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/send.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     struct SendString(String, Arc<()>);
[INFO] [stdout]    |            ----------         ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 83 |     struct SendString(String, ());
[INFO] [stdout]    |                               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f2c469c3fd318e7612f9d16fa5d735642685d94cfcfb765b68fd9da407d9fee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c469c3fd318e7612f9d16fa5d735642685d94cfcfb765b68fd9da407d9fee2", kill_on_drop: false }`
[INFO] [stdout] f2c469c3fd318e7612f9d16fa5d735642685d94cfcfb765b68fd9da407d9fee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a38c76d25cf658bb7e85b5c5e0535e33ef92ee3cd38a36ebad2110b220cb33f1
[INFO] running `Command { std: "docker" "start" "-a" "a38c76d25cf658bb7e85b5c5e0535e33ef92ee3cd38a36ebad2110b220cb33f1", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] 
[INFO] [stderr]   --> src/no_send.rs:50:55
[INFO] [stdout] running 15 tests
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<FnBox<Arguments, Result> + 'a>);
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct BoxFnOnce<'a, Arguments, Result = ()> (Box<dyn FnBox<Arguments, Result> + 'a>);
[INFO] [stderr]    |                                                       +++
[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]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct SendBoxFnOnce<'a, Arguments, Result = ()> (pub(crate) Box<dyn FnBox<Arguments, Result> + Send + 'a>);
[INFO] [stderr]    |                                                                      +++
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 (run `cargo fix --lib -p boxfnonce` to apply 2 suggestions)
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/no_send.rs:96:30
[INFO] [stderr]    |
[INFO] [stderr] 96 |     struct NoSendString(String, Rc<()>);
[INFO] [stderr]    |            ------------         ^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 96 |     struct NoSendString(String, ());
[INFO] [stderr]    |                                 ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/send.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |     struct SendString(String, Arc<()>);
[INFO] [stderr]    |            ----------         ^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 83 |     struct SendString(String, ());
[INFO] [stderr]    |                               ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `boxfnonce` (lib test) generated 26 warnings (24 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/boxfnonce-62babd870f3b466a)
[INFO] [stdout] test no_send::test::test_arg3 ... ok
[INFO] [stdout] test no_send::test::test_arg0 ... ok
[INFO] [stdout] test no_send::test::test_arg2 ... ok
[INFO] [stdout] test no_send::test::test_arg1_fixed_argument_type ... ok
[INFO] [stdout] test no_send::test::test_arg1 ... ok
[INFO] [stdout] test no_send::test::test_arg4_void ... ok
[INFO] [stdout] test send::test::test_arg4_void_to_nosend ... ok
[INFO] [stdout] test send::test::test_arg2 ... ok
[INFO] [stdout] test send::test::test_arg4_void ... ok
[INFO] [stdout] test send::test::test_arg0 ... ok
[INFO] [stdout] test send::test::test_arg4_diverging ... ok
[INFO] [stdout] test send::test::test_arg3 ... ok
[INFO] [stdout] test send::test::test_arg1 ... ok
[INFO] [stdout] test send::test::test_arg1_fixed_argument_type ... ok
[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 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests boxfnonce
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/no_send.rs - no_send::BoxFnOnce (line 41) ... ok
[INFO] [stdout] test src/no_send.rs - no_send::BoxFnOnce (line 29) ... 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 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a38c76d25cf658bb7e85b5c5e0535e33ef92ee3cd38a36ebad2110b220cb33f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38c76d25cf658bb7e85b5c5e0535e33ef92ee3cd38a36ebad2110b220cb33f1", kill_on_drop: false }`
[INFO] [stdout] a38c76d25cf658bb7e85b5c5e0535e33ef92ee3cd38a36ebad2110b220cb33f1
