[INFO] fetching crate dd_maths_traits 0.1.8...
[INFO] testing dd_maths_traits-0.1.8 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dd_maths_traits 0.1.8 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dd_maths_traits 0.1.8
[INFO] finished tweaking crates.io crate dd_maths_traits 0.1.8
[INFO] tweaked toml for crates.io crate dd_maths_traits 0.1.8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dd_maths_traits 0.1.8 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 568a4c29f216a34db9ed023619aeef6f2313764bc79a3ed98239121fc9560a45
[INFO] running `Command { std: "docker" "start" "-a" "568a4c29f216a34db9ed023619aeef6f2313764bc79a3ed98239121fc9560a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568a4c29f216a34db9ed023619aeef6f2313764bc79a3ed98239121fc9560a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568a4c29f216a34db9ed023619aeef6f2313764bc79a3ed98239121fc9560a45", kill_on_drop: false }`
[INFO] [stdout] 568a4c29f216a34db9ed023619aeef6f2313764bc79a3ed98239121fc9560a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55de183f25940d43aba0bba6f498cb607f4ee02fc370884a9dfe0edf6cd94ea2
[INFO] running `Command { std: "docker" "start" "-a" "55de183f25940d43aba0bba6f498cb607f4ee02fc370884a9dfe0edf6cd94ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling dd_maths_traits_macros v0.1.0
[INFO] [stderr]    Compiling dd_maths_traits v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "55de183f25940d43aba0bba6f498cb607f4ee02fc370884a9dfe0edf6cd94ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55de183f25940d43aba0bba6f498cb607f4ee02fc370884a9dfe0edf6cd94ea2", kill_on_drop: false }`
[INFO] [stdout] 55de183f25940d43aba0bba6f498cb607f4ee02fc370884a9dfe0edf6cd94ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc24476f62e143576acb4920f86e84998c6be332be36a2d8cdf5ac9a8976111
[INFO] running `Command { std: "docker" "start" "-a" "fdc24476f62e143576acb4920f86e84998c6be332be36a2d8cdf5ac9a8976111", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling dd_maths_traits v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:68
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(any(doc, test, doctest, feature = "const_trait_impl"), feature(const_trait_impl))]
[INFO] [stdout]   |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:68
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(any(doc, test, doctest, feature = "adt_const_params"), feature(adt_const_params))]
[INFO] [stdout]   |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:66
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(any(doc, test, doctest, feature = "negative_impls"), feature(negative_impls))]
[INFO] [stdout]   |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:62
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(any(doc, test, doctest, feature = "decl_macro"), feature(decl_macro))]
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:61
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(any(doc, test, doctest, feature = "const_ops"), feature(const_ops))]
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `BoundsKinds` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]   --> src/ranges/mod.rs:27:41
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Range<T, const BOUNDS_KINDS: BoundsKinds>(Bounds<T>);
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]    |
[INFO] [stdout] 20 - pub struct BoundsKinds {
[INFO] [stdout] 20 + #[derive(ConstParamTy)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `GetLastDigitBase10AsU8` which is not `const`
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `GetLastDigitBase10AsU8` which is not `const`
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `GetLastDigitAsU8` which is not `const`
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this trait is not `const`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `const` ensures all default method bodies are `const`
[INFO] [stdout]    = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<u8 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<u16 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<u32 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<u64 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<u128 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<usize as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<i8 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<i16 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<i32 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<i64 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<i128 as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const method `<isize as GetLastDigitBase10AsU8>::get_last_digit_base_10_as_u8` in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_as_u8.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |             self.get_last_digit_base_10_as_u8()
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl_trait!(crate::num_sys::GetLastDigitAsU8, @PRIM_INTS, impl_get_last_digit_as_u8);
[INFO] [stdout]    | ------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout]    = note: this error originates in the macro `impl_get_last_digit_as_u8` which comes from the expansion of the macro `impl_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0554, E0741.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dd_maths_traits` (lib test) due to 21 previous errors
[INFO] running `Command { std: "docker" "inspect" "fdc24476f62e143576acb4920f86e84998c6be332be36a2d8cdf5ac9a8976111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc24476f62e143576acb4920f86e84998c6be332be36a2d8cdf5ac9a8976111", kill_on_drop: false }`
[INFO] [stdout] fdc24476f62e143576acb4920f86e84998c6be332be36a2d8cdf5ac9a8976111
