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[INFO] checking sigurd4/custom_float against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigurd4%2Fcustom_float" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/sigurd4/custom_float
[INFO] finished tweaking git repo https://github.com/sigurd4/custom_float
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[INFO] validating manifest of git repo https://github.com/sigurd4/custom_float on toolchain 82310651b93a594a3fd69015e1562186a080d94c
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[INFO] [stderr]     Checking custom_float v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:284:20
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 if let Some(e0) = self.exp_bits().to_usize() && let Some(f0) = <u128 as NumCast>::from(self.mantissa_bits())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:284:65
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 if let Some(e0) = self.exp_bits().to_usize() && let Some(f0) = <u128 as NumCast>::from(self.mantissa_bits())
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:285:24
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     && let Some(e1) = rhs.exp_bits().to_usize() && let Some(f1) = <u128 as NumCast>::from(rhs.mantissa_bits())
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:285:68
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     && let Some(e1) = rhs.exp_bits().to_usize() && let Some(f1) = <u128 as NumCast>::from(rhs.mantissa_bits())
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:700:16
[INFO] [stdout]     |
[INFO] [stdout] 700 |             && let Some(min_lz) = <u32 as NumCast>::from(util::bitsize_of::<M>() + Self::BASE_PADDING - Self::MANTISSA_OP_SIZE - 1)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:701:16
[INFO] [stdout]     |
[INFO] [stdout] 701 |             && let Some(shifts) = <usize as NumCast>::from(exp.saturating_sub(min_exp))
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:726:16
[INFO] [stdout]     |
[INFO] [stdout] 726 |             && let Some(max_lz) = <u32 as NumCast>::from(util::bitsize_of::<M>() - Self::MANTISSA_OP_SIZE - 1)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:727:16
[INFO] [stdout]     |
[INFO] [stdout] 727 |             && let Some(shifts) = <usize as NumCast>::from(max_exp.saturating_sub(*exp))
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:862:81
[INFO] [stdout]     |
[INFO] [stdout] 862 |                         if util::bitsize_of::<U>() < util::bitsize_of::<V>() && let Some(bias) = V::from(bias2)
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:871:33
[INFO] [stdout]     |
[INFO] [stdout] 871 |                         else if let Some(bias) = U::from(bias1) && let Some(e) = U::from(e1)
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:871:68
[INFO] [stdout]     |
[INFO] [stdout] 871 |                         else if let Some(bias) = U::from(bias1) && let Some(e) = U::from(e1)
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:933:43
[INFO] [stdout]     |
[INFO] [stdout] 933 | ...                   while let Some(ee) = e.checked_sub(&U::one())
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/fp/mod.rs:934:44
[INFO] [stdout]     |
[INFO] [stdout] 934 | ...                   && let Some(ff) = f.checked_mul(&base2)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:1049:28
[INFO] [stdout]      |
[INFO] [stdout] 1049 |             if overflow && let Some(base) = I::from(EXP_BASE)
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:2635:33
[INFO] [stdout]      |
[INFO] [stdout] 2635 |                         else if let Some(base) = base && let Some(mut ff) = f.checked_mul(&base)
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:2635:58
[INFO] [stdout]      |
[INFO] [stdout] 2635 |                         else if let Some(base) = base && let Some(mut ff) = f.checked_mul(&base)
[INFO] [stdout]      |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:2638:51
[INFO] [stdout]      |
[INFO] [stdout] 2638 | ...                   while !e.is_zero() && let oo = ff.saturating_sub(Self::max_mantissa_bits()) && oo < base
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:2666:28
[INFO] [stdout]      |
[INFO] [stdout] 2666 |                         if let Some(base) = base && let Some(mut ff) = f.checked_mul(&base)
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:2666:53
[INFO] [stdout]      |
[INFO] [stdout] 2666 |                         if let Some(base) = base && let Some(mut ff) = f.checked_mul(&base)
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:2907:16
[INFO] [stdout]      |
[INFO] [stdout] 2907 |             if let Some(base) = U::from(EXP_BASE) && f.leading_zeros() as usize >= Self::BASE_PADDING
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:2951:42
[INFO] [stdout]      |
[INFO] [stdout] 2951 |         if EXP_BASE.is_power_of_two() && let Some(mut change) = U::from(shifts/EXP_BASE.ilog2() as usize)
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:2970:47
[INFO] [stdout]      |
[INFO] [stdout] 2970 |         else if EXP_BASE.is_multiple_of(2) && let Some(half_base) = M::from(EXP_BASE/2)
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3000:20
[INFO] [stdout]      |
[INFO] [stdout] 3000 |                 if let Some(ofs) = &mut exp_offset && **ofs > U::zero()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3043:20
[INFO] [stdout]      |
[INFO] [stdout] 3043 |                 if let Some(ofs) = &mut exp_offset && **ofs > U::zero()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3080:26
[INFO] [stdout]      |
[INFO] [stdout] 3080 |             if i != 0 && let Some(o) = I::from(i/quanta)
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3099:26
[INFO] [stdout]      |
[INFO] [stdout] 3099 |             if i != 0 && let Some(o) = I::from(i/quanta)
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3161:12
[INFO] [stdout]      |
[INFO] [stdout] 3161 |         if let Some(base) = U::from(EXP_BASE) && (*mantissa % base).is_zero()
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3166:66
[INFO] [stdout]      |
[INFO] [stdout] 3166 |         else if EXP_BASE.isqrt()*EXP_BASE.isqrt() == EXP_BASE && let Some(base_sqrt) = U::from(EXP_BASE.isqrt())
[INFO] [stdout]      |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3224:42
[INFO] [stdout]      |
[INFO] [stdout] 3224 |         if EXP_BASE.is_power_of_two() && let Some(mut change) = U::from(shifts/EXP_BASE.ilog2() as usize)
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3244:42
[INFO] [stdout]      |
[INFO] [stdout] 3244 |         if EXP_BASE.is_multiple_of(2) && let Some(half_base) = M::from(EXP_BASE / 2)
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3319:20
[INFO] [stdout]      |
[INFO] [stdout] 3319 |                 if let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3319:53
[INFO] [stdout]      |
[INFO] [stdout] 3319 |                 if let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3337:24
[INFO] [stdout]      |
[INFO] [stdout] 3337 |                     if let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3337:57
[INFO] [stdout]      |
[INFO] [stdout] 3337 |                     if let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3338:28
[INFO] [stdout]      |
[INFO] [stdout] 3338 |                         && let k = (m_most % b1).is_zero() as u8 + (m_least % b2).is_zero() as u8
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3410:20
[INFO] [stdout]      |
[INFO] [stdout] 3410 |                 if let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3410:53
[INFO] [stdout]      |
[INFO] [stdout] 3410 |                 if let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3428:20
[INFO] [stdout]      |
[INFO] [stdout] 3428 |                 if let Some(bf) = U::from(base_final)
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3429:24
[INFO] [stdout]      |
[INFO] [stdout] 3429 |                     && let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3429:57
[INFO] [stdout]      |
[INFO] [stdout] 3429 |                     && let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3442:24
[INFO] [stdout]      |
[INFO] [stdout] 3442 |                     if let Some(bf) = U::from(base_final)
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3443:28
[INFO] [stdout]      |
[INFO] [stdout] 3443 |                         && let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3443:61
[INFO] [stdout]      |
[INFO] [stdout] 3443 |                         && let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3444:28
[INFO] [stdout]      |
[INFO] [stdout] 3444 |                         && let k = (m_most % b1).is_zero() as u8 + (m_least % b2).is_zero() as u8
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3476:24
[INFO] [stdout]      |
[INFO] [stdout] 3476 |                     if let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3476:57
[INFO] [stdout]      |
[INFO] [stdout] 3476 |                     if let Some(b1) = U::from(base1) && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3477:28
[INFO] [stdout]      |
[INFO] [stdout] 3477 |                         && let k = (m_most % b1).is_zero() as u8 + (m_least % b2).is_zero() as u8
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3531:20
[INFO] [stdout]      |
[INFO] [stdout] 3531 |                 if let Some(bf) = U::from(base_final) && let Some(b) = U::from(base)
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3531:58
[INFO] [stdout]      |
[INFO] [stdout] 3531 |                 if let Some(bf) = U::from(base_final) && let Some(b) = U::from(base)
[INFO] [stdout]      |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3545:24
[INFO] [stdout]      |
[INFO] [stdout] 3545 |                     if let Some(bf) = U::from(base_final) && let Some(b) = U::from(base)
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3545:62
[INFO] [stdout]      |
[INFO] [stdout] 3545 |                     if let Some(bf) = U::from(base_final) && let Some(b) = U::from(base)
[INFO] [stdout]      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3546:28
[INFO] [stdout]      |
[INFO] [stdout] 3546 |                         && let k = (*mantissa1 % b).is_zero() as u8 + (*mantissa2 % b).is_zero() as u8
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3676:66
[INFO] [stdout]      |
[INFO] [stdout] 3676 |                     .filter_map(|(&[base1, base2], &[p1, _])| if let Some(b1) = U::from(base1)
[INFO] [stdout]      |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3677:28
[INFO] [stdout]      |
[INFO] [stdout] 3677 |                         && let Some(b2) = U::from(base2)
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3674:20
[INFO] [stdout]      |
[INFO] [stdout] 3674 |                   && let Some((_, [b1, b2])) = Self::BASE_FACTORS_2.iter()
[INFO] [stdout]      |  ____________________^
[INFO] [stdout] 3675 | |                     .zip(Self::BASE_FACTORS_2_PADDING)
[INFO] [stdout] 3676 | |                     .filter_map(|(&[base1, base2], &[p1, _])| if let Some(b1) = U::from(base1)
[INFO] [stdout] 3677 | |                         && let Some(b2) = U::from(base2)
[INFO] [stdout] ...    |
[INFO] [stdout] 3691 | |                         a
[INFO] [stdout] 3692 | |                     })
[INFO] [stdout]      | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:3892:31
[INFO] [stdout]      |
[INFO] [stdout] 3892 |                       if noi && let Some(i) = {
[INFO] [stdout]      |  _______________________________^
[INFO] [stdout] 3893 | |                         let n_clamp = Self::from_uint(U::max_value());
[INFO] [stdout] 3894 | |                         nabs.minimum(n_clamp).to_uint::<u128>()
[INFO] [stdout] 3895 | |                     }
[INFO] [stdout]      | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/fp/mod.rs:4104:32
[INFO] [stdout]      |
[INFO] [stdout] 4104 |                     true => if let Some(exp_frac) = U::from(util::exp2_ilog(FRAC_SIZE + INT_SIZE, EXP_BASE))
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/util.rs:600:44
[INFO] [stdout]     |
[INFO] [stdout] 600 |         if T::from(2usize) == Some(rhs) && let Some(pow) = pow.to_u32() && let Some(rhs) = rhs.checked_shl(pow)
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/util.rs:600:76
[INFO] [stdout]     |
[INFO] [stdout] 600 |         if T::from(2usize) == Some(rhs) && let Some(pow) = pow.to_u32() && let Some(rhs) = rhs.checked_shl(pow)
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(let_chains)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_arg_infer` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(generic_arg_infer)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `custom_float` (lib) due to 59 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6bdc6e6aa513df4c231c27846edc3bf4028b657a9ea8bfd4782f1b2dfd25fff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bdc6e6aa513df4c231c27846edc3bf4028b657a9ea8bfd4782f1b2dfd25fff0", kill_on_drop: false }`
[INFO] [stdout] 6bdc6e6aa513df4c231c27846edc3bf4028b657a9ea8bfd4782f1b2dfd25fff0
