[INFO] fetching crate brioche-ducc 0.1.2-brioche...
[INFO] checking brioche-ducc-0.1.2-brioche against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate brioche-ducc 0.1.2-brioche into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate brioche-ducc 0.1.2-brioche on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brioche-ducc 0.1.2-brioche
[INFO] finished tweaking crates.io crate brioche-ducc 0.1.2-brioche
[INFO] tweaked toml for crates.io crate brioche-ducc 0.1.2-brioche 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded brioche-ducc-sys v0.1.2-brioche
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33b45294ea18f5d06e95cac5ceb4a9f9f855e6f61b55e6f648722b2909c69b0d
[INFO] running `Command { std: "docker" "start" "-a" "33b45294ea18f5d06e95cac5ceb4a9f9f855e6f61b55e6f648722b2909c69b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33b45294ea18f5d06e95cac5ceb4a9f9f855e6f61b55e6f648722b2909c69b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b45294ea18f5d06e95cac5ceb4a9f9f855e6f61b55e6f648722b2909c69b0d", kill_on_drop: false }`
[INFO] [stdout] 33b45294ea18f5d06e95cac5ceb4a9f9f855e6f61b55e6f648722b2909c69b0d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c1cac7c222385d52d07fbf20b33735982b2e0af0820b0d0acf11427759b51f0
[INFO] running `Command { std: "docker" "start" "-a" "9c1cac7c222385d52d07fbf20b33735982b2e0af0820b0d0acf11427759b51f0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling brioche-ducc-sys v0.1.2-brioche
[INFO] [stderr]     Checking brioche-ducc v0.1.2-brioche (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/tests/function.rs:87:1
[INFO] [stdout]     |
[INFO] [stdout] 87  | fn rust_closure_mut_callback_error() {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromValue<'_>` will fail
[INFO] [stdout]    --> src/tests/function.rs:100:53
[INFO] [stdout]     |
[INFO] [stdout] 100 |             ducc.globals().get::<_, Function>("f")?.call((true,))?;
[INFO] [stdout]     |                                                     ^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/util.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Box::from_raw(ffi::duk_get_pointer(ctx, -1) as *mut Error);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let _ = Box::from_raw(ffi::duk_get_pointer(ctx, -1) as *mut Error);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 419 | impl_tuple!(A);
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 419 | impl_tuple!(A);
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 420 | impl_tuple!(A, B);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 420 | impl_tuple!(A, B);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 421 | impl_tuple!(A, B, C);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 421 | impl_tuple!(A, B, C);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 422 | impl_tuple!(A, B, C, D);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 422 | impl_tuple!(A, B, C, D);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 423 | impl_tuple!(A, B, C, D, E);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 423 | impl_tuple!(A, B, C, D, E);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 424 | impl_tuple!(A, B, C, D, E, F);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 424 | impl_tuple!(A, B, C, D, E, F);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 425 | impl_tuple!(A, B, C, D, E, F, G);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 425 | impl_tuple!(A, B, C, D, E, F, G);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 426 | impl_tuple!(A, B, C, D, E, F, G, H);
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 426 | impl_tuple!(A, B, C, D, E, F, G, H);
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 427 | impl_tuple!(A, B, C, D, E, F, G, H, I);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 427 | impl_tuple!(A, B, C, D, E, F, G, H, I);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 428 | impl_tuple!(A, B, C, D, E, F, G, H, I, J);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 428 | impl_tuple!(A, B, C, D, E, F, G, H, I, J);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 429 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 429 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 430 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 430 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 431 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 431 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 432 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 432 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 433 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O);
[INFO] [stdout]     | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 433 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O);
[INFO] [stdout]     | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 434 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P);
[INFO] [stdout]     | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 434 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P);
[INFO] [stdout]     | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ducc.rs:492:13
[INFO] [stdout]     |
[INFO] [stdout] 492 |             Box::from_raw(udata);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let _ = Box::from_raw(udata);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ducc.rs:493:13
[INFO] [stdout]     |
[INFO] [stdout] 493 |             Box::from_raw(any_map);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 493 |             let _ = Box::from_raw(any_map);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/util.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Box::from_raw(ffi::duk_get_pointer(ctx, -1) as *mut Error);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let _ = Box::from_raw(ffi::duk_get_pointer(ctx, -1) as *mut Error);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 419 | impl_tuple!(A);
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 419 | impl_tuple!(A);
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 420 | impl_tuple!(A, B);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 420 | impl_tuple!(A, B);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 421 | impl_tuple!(A, B, C);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 421 | impl_tuple!(A, B, C);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 422 | impl_tuple!(A, B, C, D);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 422 | impl_tuple!(A, B, C, D);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 423 | impl_tuple!(A, B, C, D, E);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 423 | impl_tuple!(A, B, C, D, E);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 424 | impl_tuple!(A, B, C, D, E, F);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 424 | impl_tuple!(A, B, C, D, E, F);
[INFO] [stdout]     | ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 425 | impl_tuple!(A, B, C, D, E, F, G);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 425 | impl_tuple!(A, B, C, D, E, F, G);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 426 | impl_tuple!(A, B, C, D, E, F, G, H);
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 426 | impl_tuple!(A, B, C, D, E, F, G, H);
[INFO] [stdout]     | ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 427 | impl_tuple!(A, B, C, D, E, F, G, H, I);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 427 | impl_tuple!(A, B, C, D, E, F, G, H, I);
[INFO] [stdout]     | -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 428 | impl_tuple!(A, B, C, D, E, F, G, H, I, J);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 428 | impl_tuple!(A, B, C, D, E, F, G, H, I, J);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 429 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 429 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 430 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 430 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 431 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 431 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 432 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 432 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N);
[INFO] [stdout]     | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 433 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O);
[INFO] [stdout]     | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 433 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O);
[INFO] [stdout]     | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:348:39
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 434 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P);
[INFO] [stdout]     | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let reservation = $({ let _ = &$name; 1 } +)* 0;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/conversion.rs:377:39
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 434 | impl_tuple!(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P);
[INFO] [stdout]     | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_tuple` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 let reservation = $({ let _ = &$name; 1 } +)* 1;
[INFO] [stdout]     |                                       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ducc.rs:492:13
[INFO] [stdout]     |
[INFO] [stdout] 492 |             Box::from_raw(udata);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let _ = Box::from_raw(udata);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ducc.rs:493:13
[INFO] [stdout]     |
[INFO] [stdout] 493 |             Box::from_raw(any_map);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 493 |             let _ = Box::from_raw(any_map);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "9c1cac7c222385d52d07fbf20b33735982b2e0af0820b0d0acf11427759b51f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1cac7c222385d52d07fbf20b33735982b2e0af0820b0d0acf11427759b51f0", kill_on_drop: false }`
[INFO] [stdout] 9c1cac7c222385d52d07fbf20b33735982b2e0af0820b0d0acf11427759b51f0