[INFO] fetching crate dd_maths_traits 0.1.8...
[INFO] checking dd_maths_traits-0.1.8 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate dd_maths_traits 0.1.8 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate dd_maths_traits 0.1.8 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dd_maths_traits_macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7836ca35fcc3fec192a76aa0a4e1bee393fa2e371aeb4998caca42e09715d959
[INFO] running `Command { std: "docker" "start" "-a" "7836ca35fcc3fec192a76aa0a4e1bee393fa2e371aeb4998caca42e09715d959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7836ca35fcc3fec192a76aa0a4e1bee393fa2e371aeb4998caca42e09715d959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7836ca35fcc3fec192a76aa0a4e1bee393fa2e371aeb4998caca42e09715d959", kill_on_drop: false }`
[INFO] [stdout] 7836ca35fcc3fec192a76aa0a4e1bee393fa2e371aeb4998caca42e09715d959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a6a517426eab36e1a520c8728a827d7096c5393f52f9e79753c2c133239b62
[INFO] running `Command { std: "docker" "start" "-a" "e8a6a517426eab36e1a520c8728a827d7096c5393f52f9e79753c2c133239b62", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling dd_maths_traits_macros v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking dd_maths_traits v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stdout] error[E0635]: unknown feature `const_ops`
[INFO] [stdout]  --> src/lib.rs:7:69
[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 + #[derive(ConstParamTy)]
[INFO] [stdout] 21 | pub struct BoundsKinds {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `GetLastDigitAsU8` which is not marked with `#[const_trait]`
[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]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/num_sys/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait GetLastDigitAsU8 {
[INFO] [stdout]    | - help: mark `GetLastDigitAsU8` as const: `#[const_trait]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `#[const_trait]` 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 marked with `#[const_trait]`
[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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/num_sys/base_10/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait GetLastDigitBase10AsU8 {
[INFO] [stdout]    | - help: mark `GetLastDigitBase10AsU8` as const: `#[const_trait]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `#[const_trait]` 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 marked with `#[const_trait]`
[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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/num_sys/base_10/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait GetLastDigitBase10AsU8 {
[INFO] [stdout]    | - help: mark `GetLastDigitBase10AsU8` as const: `#[const_trait]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: marking a trait with `#[const_trait]` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | / impl_trait!(
[INFO] [stdout] 56 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 57 | |     @PRIM_UNSIGNED_INTS,
[INFO] [stdout] 58 | |     impl_get_last_digit_base_10_as_u8_for_prim_unsigned_int
[INFO] [stdout] 59 | | );
[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_base_10_as_u8_for_prim_unsigned_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | / impl_trait!(
[INFO] [stdout] 56 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 57 | |     @PRIM_UNSIGNED_INTS,
[INFO] [stdout] 58 | |     impl_get_last_digit_base_10_as_u8_for_prim_unsigned_int
[INFO] [stdout] 59 | | );
[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_base_10_as_u8_for_prim_unsigned_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | / impl_trait!(
[INFO] [stdout] 56 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 57 | |     @PRIM_UNSIGNED_INTS,
[INFO] [stdout] 58 | |     impl_get_last_digit_base_10_as_u8_for_prim_unsigned_int
[INFO] [stdout] 59 | | );
[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_base_10_as_u8_for_prim_unsigned_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | / impl_trait!(
[INFO] [stdout] 56 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 57 | |     @PRIM_UNSIGNED_INTS,
[INFO] [stdout] 58 | |     impl_get_last_digit_base_10_as_u8_for_prim_unsigned_int
[INFO] [stdout] 59 | | );
[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_base_10_as_u8_for_prim_unsigned_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | / impl_trait!(
[INFO] [stdout] 56 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 57 | |     @PRIM_UNSIGNED_INTS,
[INFO] [stdout] 58 | |     impl_get_last_digit_base_10_as_u8_for_prim_unsigned_int
[INFO] [stdout] 59 | | );
[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_base_10_as_u8_for_prim_unsigned_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | / impl_trait!(
[INFO] [stdout] 56 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 57 | |     @PRIM_UNSIGNED_INTS,
[INFO] [stdout] 58 | |     impl_get_last_digit_base_10_as_u8_for_prim_unsigned_int
[INFO] [stdout] 59 | | );
[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_base_10_as_u8_for_prim_unsigned_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:4:29
[INFO] [stdout]    |
[INFO] [stdout] 4  |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | / impl_trait!(
[INFO] [stdout] 61 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 62 | |     @PRIM_SIGNED_INTS,
[INFO] [stdout] 63 | |     impl_get_last_digit_base_10_as_u8_for_prim_signed_int
[INFO] [stdout] 64 | | );
[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_base_10_as_u8_for_prim_signed_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:4:29
[INFO] [stdout]    |
[INFO] [stdout] 4  |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | / impl_trait!(
[INFO] [stdout] 61 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 62 | |     @PRIM_SIGNED_INTS,
[INFO] [stdout] 63 | |     impl_get_last_digit_base_10_as_u8_for_prim_signed_int
[INFO] [stdout] 64 | | );
[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_base_10_as_u8_for_prim_signed_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:4:29
[INFO] [stdout]    |
[INFO] [stdout] 4  |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | / impl_trait!(
[INFO] [stdout] 61 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 62 | |     @PRIM_SIGNED_INTS,
[INFO] [stdout] 63 | |     impl_get_last_digit_base_10_as_u8_for_prim_signed_int
[INFO] [stdout] 64 | | );
[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_base_10_as_u8_for_prim_signed_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:4:29
[INFO] [stdout]    |
[INFO] [stdout] 4  |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | / impl_trait!(
[INFO] [stdout] 61 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 62 | |     @PRIM_SIGNED_INTS,
[INFO] [stdout] 63 | |     impl_get_last_digit_base_10_as_u8_for_prim_signed_int
[INFO] [stdout] 64 | | );
[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_base_10_as_u8_for_prim_signed_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:4:29
[INFO] [stdout]    |
[INFO] [stdout] 4  |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | / impl_trait!(
[INFO] [stdout] 61 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 62 | |     @PRIM_SIGNED_INTS,
[INFO] [stdout] 63 | |     impl_get_last_digit_base_10_as_u8_for_prim_signed_int
[INFO] [stdout] 64 | | );
[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_base_10_as_u8_for_prim_signed_int` 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 operator in constant functions
[INFO] [stdout]   --> src/num_sys/base_10/int/get_last_digit_base_10_as_u8.rs:4:29
[INFO] [stdout]    |
[INFO] [stdout] 4  |               let rem: Self = self % 10;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 | / impl_trait!(
[INFO] [stdout] 61 | |     crate::num_sys::base_10::GetLastDigitBase10AsU8,
[INFO] [stdout] 62 | |     @PRIM_SIGNED_INTS,
[INFO] [stdout] 63 | |     impl_get_last_digit_base_10_as_u8_for_prim_signed_int
[INFO] [stdout] 64 | | );
[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_base_10_as_u8_for_prim_signed_int` 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 fn `<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 fn `<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 fn `<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 fn `<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 fn `<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 fn `<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 fn `<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 fn `<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 fn `<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 fn `<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 fn `<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 fn `<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, E0635, 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 29 previous errors
[INFO] running `Command { std: "docker" "inspect" "e8a6a517426eab36e1a520c8728a827d7096c5393f52f9e79753c2c133239b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a6a517426eab36e1a520c8728a827d7096c5393f52f9e79753c2c133239b62", kill_on_drop: false }`
[INFO] [stdout] e8a6a517426eab36e1a520c8728a827d7096c5393f52f9e79753c2c133239b62
