[INFO] fetching crate printf-wrap 0.2.2...
[INFO] checking printf-wrap-0.2.2 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate printf-wrap 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate printf-wrap 0.2.2
[INFO] finished tweaking crates.io crate printf-wrap 0.2.2
[INFO] tweaked toml for crates.io crate printf-wrap 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate printf-wrap 0.2.2 on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate printf-wrap 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771
[INFO] running `Command { std: "docker" "start" "afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking printf-wrap v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]   --> src/larger_of.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 |     @ cfg(target_pointer_width = "8")
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 89 +     @ cfg(target_has_atomic = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 89 +     @ cfg(target_has_atomic_load_store = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 89 +     @ cfg(target_has_atomic_primitive_alignment = "8")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]   --> src/larger_of.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 |     @ cfg(target_pointer_width = "8")
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 93 +     @ cfg(target_has_atomic = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 93 +     @ cfg(target_has_atomic_load_store = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 93 +     @ cfg(target_has_atomic_primitive_alignment = "8")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]   --> src/larger_of.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |     @ cfg(target_pointer_width = "8")
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 97 +     @ cfg(target_has_atomic = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 97 +     @ cfg(target_has_atomic_load_store = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 97 +     @ cfg(target_has_atomic_primitive_alignment = "8")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]    --> src/larger_of.rs:153:11
[INFO] [stdout]     |
[INFO] [stdout] 153 |     @ cfg(target_pointer_width = "128")
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 153 +     @ cfg(target_has_atomic = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 153 +     @ cfg(target_has_atomic_load_store = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 153 +     @ cfg(target_has_atomic_primitive_alignment = "128")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]    --> src/larger_of.rs:157:11
[INFO] [stdout]     |
[INFO] [stdout] 157 |     @ cfg(target_pointer_width = "128")
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 157 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 157 +     @ cfg(target_has_atomic = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 157 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 157 +     @ cfg(target_has_atomic_load_store = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 157 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 157 +     @ cfg(target_has_atomic_primitive_alignment = "128")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]    --> src/larger_of.rs:161:11
[INFO] [stdout]     |
[INFO] [stdout] 161 |     @ cfg(target_pointer_width = "128")
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 161 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 161 +     @ cfg(target_has_atomic = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 161 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 161 +     @ cfg(target_has_atomic_load_store = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 161 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 161 +     @ cfg(target_has_atomic_primitive_alignment = "128")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]    --> src/lib.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     #[deny(const_err)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]   --> src/larger_of.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 |     @ cfg(target_pointer_width = "8")
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 89 +     @ cfg(target_has_atomic = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 89 +     @ cfg(target_has_atomic_load_store = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 89 +     @ cfg(target_has_atomic_primitive_alignment = "8")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]   --> src/larger_of.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 |     @ cfg(target_pointer_width = "8")
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 93 +     @ cfg(target_has_atomic = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 93 +     @ cfg(target_has_atomic_load_store = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 93 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 93 +     @ cfg(target_has_atomic_primitive_alignment = "8")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `8`
[INFO] [stdout]   --> src/larger_of.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |     @ cfg(target_pointer_width = "8")
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 97 +     @ cfg(target_has_atomic = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 97 +     @ cfg(target_has_atomic_load_store = "8")
[INFO] [stdout]    |
[INFO] [stdout] help: `8` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     @ cfg(target_pointer_width = "8")
[INFO] [stdout] 97 +     @ cfg(target_has_atomic_primitive_alignment = "8")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]    --> src/larger_of.rs:153:11
[INFO] [stdout]     |
[INFO] [stdout] 153 |     @ cfg(target_pointer_width = "128")
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 153 +     @ cfg(target_has_atomic = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 153 +     @ cfg(target_has_atomic_load_store = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 153 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 153 +     @ cfg(target_has_atomic_primitive_alignment = "128")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]    --> src/larger_of.rs:157:11
[INFO] [stdout]     |
[INFO] [stdout] 157 |     @ cfg(target_pointer_width = "128")
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 157 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 157 +     @ cfg(target_has_atomic = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 157 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 157 +     @ cfg(target_has_atomic_load_store = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 157 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 157 +     @ cfg(target_has_atomic_primitive_alignment = "128")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `128`
[INFO] [stdout]    --> src/larger_of.rs:161:11
[INFO] [stdout]     |
[INFO] [stdout] 161 |     @ cfg(target_pointer_width = "128")
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic`
[INFO] [stdout]     |
[INFO] [stdout] 161 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 161 +     @ cfg(target_has_atomic = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_load_store`
[INFO] [stdout]     |
[INFO] [stdout] 161 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 161 +     @ cfg(target_has_atomic_load_store = "128")
[INFO] [stdout]     |
[INFO] [stdout] help: `128` is an expected value for `target_has_atomic_primitive_alignment`
[INFO] [stdout]     |
[INFO] [stdout] 161 -     @ cfg(target_pointer_width = "128")
[INFO] [stdout] 161 +     @ cfg(target_has_atomic_primitive_alignment = "128")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information
[INFO] [stdout]    --> src/lib.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     #[deny(const_err)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 | tuple_impl!(1, printf1, snprintf1, (A), (a));
[INFO] [stdout]    | -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 | tuple_impl!(1, printf1, snprintf1, (A), (a));
[INFO] [stdout]    | -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 | tuple_impl!(1, printf1, snprintf1, (A), (a));
[INFO] [stdout]    | -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 | tuple_impl!(1, printf1, snprintf1, (A), (a));
[INFO] [stdout]    | -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | tuple_impl!(2, printf2, snprintf2, (A, B), (a, b));
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | tuple_impl!(2, printf2, snprintf2, (A, B), (a, b));
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | tuple_impl!(2, printf2, snprintf2, (A, B), (a, b));
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | tuple_impl!(2, printf2, snprintf2, (A, B), (a, b));
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | tuple_impl!(2, printf2, snprintf2, (A, B), (a, b));
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | tuple_impl!(2, printf2, snprintf2, (A, B), (a, b));
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | tuple_impl!(2, printf2, snprintf2, (A, B), (a, b));
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | tuple_impl!(2, printf2, snprintf2, (A, B), (a, b));
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | tuple_impl!(3, printf3, snprintf3, (A, B, C), (a, b, c));
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 | tuple_impl!(4, printf4, snprintf4, (A, B, C, D), (a, b, c, d));
[INFO] [stdout]    | -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<E as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<E as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<E as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<E as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | tuple_impl!(5, printf5, snprintf5, (A, B, C, D, E), (a, b, c, d, e));
[INFO] [stdout]    | -------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<E as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<E as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<F as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<F as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<E as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<E as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<F as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<F as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 | tuple_impl!(6, printf6, snprintf6, (A, B, C, D, E, F), (a, b, c, d, e, f));
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<E as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<E as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<F as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<F as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<G as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<G as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<E as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<E as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<F as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<F as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<G as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<G as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 | tuple_impl!(7, printf7, snprintf7, (A, B, C, D, E, F, G), (a, b, c, d, e, f, g));
[INFO] [stdout]    | -------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<E as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<E as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<F as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<F as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<G as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<G as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<H as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<H as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:18:47
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 libc::printf(fmt.as_ptr() $(, $var.as_c_val())* )
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<A as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<A as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<B as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<B as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<C as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<C as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<D as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<D as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<E as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<E as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<F as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<F as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<G as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<G as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<H as PrintfArgument>::CPrintfType`.
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<H as PrintfArgument>::CPrintfType` does not implement `VaArgSafe`
[INFO] [stdout]   --> src/example.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     $(, $var.as_c_val())*
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 | tuple_impl!(8, printf8, snprintf8, (A, B, C, D, E, F, G, H), (a, b, c, d, e, f, g, h));
[INFO] [stdout]    | -------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[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 #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]    = note: this warning originates in the macro `tuple_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printf-wrap` (lib test) due to 72 previous errors; 79 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771", kill_on_drop: false }`
[INFO] [stdout] afc7d32433fa3a5ea873fab5a537b09d75c7355884c09159787c2f2474d32771
