[INFO] fetching crate framp 0.3.7...
[INFO] testing framp-0.3.7 against 1.75.0 for beta-1.76-1
[INFO] extracting crate framp 0.3.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate framp 0.3.7 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate framp 0.3.7
[INFO] finished tweaking crates.io crate framp 0.3.7
[INFO] tweaked toml for crates.io crate framp 0.3.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.4.1
[INFO] [stderr]   Downloaded ieee754 v0.2.6
[INFO] [stderr]   Downloaded rust-gmp v0.2.10
[INFO] [stderr]   Downloaded quickcheck_macros v0.4.2
[INFO] [stderr]   Downloaded rustc-cfg v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f071ba5e9b07d0fb72a496a05d4998ef2a82b6f001b7082037430cb40edf25c
[INFO] running `Command { std: "docker" "start" "-a" "9f071ba5e9b07d0fb72a496a05d4998ef2a82b6f001b7082037430cb40edf25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f071ba5e9b07d0fb72a496a05d4998ef2a82b6f001b7082037430cb40edf25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f071ba5e9b07d0fb72a496a05d4998ef2a82b6f001b7082037430cb40edf25c", kill_on_drop: false }`
[INFO] [stdout] 9f071ba5e9b07d0fb72a496a05d4998ef2a82b6f001b7082037430cb40edf25c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e98a94b67946a50c944b28e5254dcad12ea9096d24b776c098ad6e6d8a2934f
[INFO] running `Command { std: "docker" "start" "-a" "9e98a94b67946a50c944b28e5254dcad12ea9096d24b776c098ad6e6d8a2934f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling framp v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `gcc::compile_library`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 gcc::compile_library("libasm.a", asm_srcs);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/mem.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> src/ll/limb.rs:442:17
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 asm!("mulq $3"
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 15  + use std::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> src/ll/limb.rs:526:17
[INFO] [stdout]     |
[INFO] [stdout] 526 |                 asm!("addq $4, $0
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 15  + use std::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> src/ll/limb.rs:586:17
[INFO] [stdout]     |
[INFO] [stdout] 586 |                 asm!("subq $4, $0
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 15  + use std::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]    --> src/ll/limb.rs:653:17
[INFO] [stdout]     |
[INFO] [stdout] 653 |                 asm!("divq $4"
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 15  + use std::arch::asm;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `heap` in `alloc`
[INFO] [stdout]     --> src/int.rs:3614:46
[INFO] [stdout]      |
[INFO] [stdout] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb) },
[INFO] [stdout]      |                                              ^^^^ could not find `heap` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `step` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> src/int.rs:3688:5
[INFO] [stdout]      |
[INFO] [stdout] 3688 | /     fn step(&self, by: &Int) -> Option<Int> {
[INFO] [stdout] 3689 | |         Some(self + by)
[INFO] [stdout] 3690 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `steps_between_by_one` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> src/int.rs:3707:5
[INFO] [stdout]      |
[INFO] [stdout] 3707 | /     fn steps_between_by_one(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 3708 | |         Self::steps_between(start, end, &Self::one())
[INFO] [stdout] 3709 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `is_negative` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> src/int.rs:3711:5
[INFO] [stdout]      |
[INFO] [stdout] 3711 | /     fn is_negative(&self) -> bool {
[INFO] [stdout] 3712 | |         self.sign() < 0
[INFO] [stdout] 3713 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_one` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> src/int.rs:3715:5
[INFO] [stdout]      |
[INFO] [stdout] 3715 | /     fn replace_one(&mut self) -> Self {
[INFO] [stdout] 3716 | |         mem::replace(self, Self::one())
[INFO] [stdout] 3717 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `replace_zero` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> src/int.rs:3719:5
[INFO] [stdout]      |
[INFO] [stdout] 3719 | /     fn replace_zero(&mut self) -> Self {
[INFO] [stdout] 3720 | |         mem::replace(self, Self::zero())
[INFO] [stdout] 3721 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `add_one` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> src/int.rs:3723:5
[INFO] [stdout]      |
[INFO] [stdout] 3723 | /     fn add_one(&self) -> Self {
[INFO] [stdout] 3724 | |         self + 1
[INFO] [stdout] 3725 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `sub_one` is not a member of trait `std::iter::Step`
[INFO] [stdout]     --> src/int.rs:3727:5
[INFO] [stdout]      |
[INFO] [stdout] 3727 | /     fn sub_one(&self) -> Self {
[INFO] [stdout] 3728 | |         self - 1
[INFO] [stdout] 3729 | |     }
[INFO] [stdout]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]   --> src/int.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | use alloc::raw_vec::RawVec;
[INFO] [stdout]    |            ^^^^^^^ private module
[INFO] [stdout]    |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/lib.rs:225:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, heap_api, associated_consts)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `associated_consts` has been stable since `1.20.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, unique, alloc)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/int.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |             try!(w.write_all(b"-"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/int.rs:372:21
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 b'0'...b'9' => c - b'0',
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/int.rs:373:21
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 b'A'...b'Z' => (c - b'A') + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/int.rs:374:21
[INFO] [stdout]     |
[INFO] [stdout] 374 |                 b'a'...b'z' => (c - b'a') + 10,
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> src/int.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::ptr::Unique;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/int.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 126 |     ptr: Unique<Limb>,
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> src/int.rs:165:24
[INFO] [stdout]     |
[INFO] [stdout] 165 |             self.ptr = Unique::new(vec.ptr());
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]     --> src/int.rs:3614:27
[INFO] [stdout]      |
[INFO] [stdout] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb) },
[INFO] [stdout]      |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:44
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, heap_api, associated_consts)]
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, heap_api, associated_consts)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, heap_api, associated_consts)]
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, heap_api, associated_consts)]
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, unique, alloc)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, unique, alloc)]
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, unique, alloc)]
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, heap_api, associated_consts)]
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, unique, alloc)]
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]   --> src/lib.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(step_trait, unique, alloc)]
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `heap_api`
[INFO] [stdout]   --> src/lib.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(core_intrinsics, asm, heap_api, associated_consts)]
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0050]: method `steps_between` has 3 parameters but the declaration in trait `steps_between` has 2
[INFO] [stdout]     --> src/int.rs:3692:29
[INFO] [stdout]      |
[INFO] [stdout] 3692 |     fn steps_between(start: &Int, end: &Int, by: &Int) -> Option<usize> {
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^ expected 2 parameters, found 3
[INFO] [stdout]      |
[INFO] [stdout]      = note: `steps_between` from trait: `fn(&Self, &Self) -> Option<usize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_checked`, `backward_checked`
[INFO] [stdout]     --> src/int.rs:3687:1
[INFO] [stdout]      |
[INFO] [stdout] 3687 | impl std::iter::Step for Int {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `forward_checked`, `backward_checked` in implementation
[INFO] [stdout]      |
[INFO] [stdout]      = help: implement the missing item: `fn forward_checked(_: Self, _: usize) -> Option<Self> { todo!() }`
[INFO] [stdout]      = help: implement the missing item: `fn backward_checked(_: Self, _: usize) -> Option<Self> { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:144:20
[INFO] [stdout]     |
[INFO] [stdout] 144 |             *i.ptr.as_ptr() = limb;
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:158:59
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut vec = RawVec::from_raw_parts(self.ptr.as_ptr(), old_cap);
[INFO] [stdout]     |                                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:165:24
[INFO] [stdout]     |
[INFO] [stdout] 165 |             self.ptr = Unique::new(vec.ptr());
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/int.rs:165:24
[INFO] [stdout]     |
[INFO] [stdout] 165 |             self.ptr = Unique::new(vec.ptr());
[INFO] [stdout]     |             --------   ^^^^^^^^^^^^^^^^^^^^^^ expected `Unique<Limb>`, found `Option<Unique<_>>`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             expected due to the type of this binding
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Unique<Limb>`
[INFO] [stdout]                  found enum `Option<Unique<_>>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Unique<_>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]     |
[INFO] [stdout] 165 |             self.ptr = Unique::new(vec.ptr()).expect("REASON");
[INFO] [stdout]     |                                              +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/int.rs:187:31
[INFO] [stdout]     |
[INFO] [stdout] 187 |             ret.with_raw_vec(|v| v.reserve_exact(0, cap as usize))
[INFO] [stdout]     |                               ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 187 |             ret.with_raw_vec(|v: /* Type */| v.reserve_exact(0, cap as usize))
[INFO] [stdout]     |                                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:224:39
[INFO] [stdout]     |
[INFO] [stdout] 224 |             return unsafe { *self.ptr.as_ref() };
[INFO] [stdout]     |                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/int.rs:287:28
[INFO] [stdout]     |
[INFO] [stdout] 287 |         self.with_raw_vec(|v| {
[INFO] [stdout]     |                            ^
[INFO] [stdout] 288 |             v.shrink_to_fit(size);
[INFO] [stdout]     |             - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 287 |         self.with_raw_vec(|v: /* Type */| {
[INFO] [stdout]     |                             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:631:53
[INFO] [stdout]     |
[INFO] [stdout] 631 |                 std::slice::from_raw_parts(self.ptr.as_ref() as *const _ as *const u8,
[INFO] [stdout]     |                                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:740:33
[INFO] [stdout]     |
[INFO] [stdout] 740 |             Limbs::new(self.ptr.as_ref(), 0, self.abs_size())
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:746:36
[INFO] [stdout]     |
[INFO] [stdout] 746 |             LimbsMut::new(self.ptr.as_ptr(), 0, self.abs_size())
[INFO] [stdout]     |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:751:32
[INFO] [stdout]     |
[INFO] [stdout] 751 |         LimbsMut::new(self.ptr.as_ptr(), 0, self.cap as i32)
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/int.rs:757:32
[INFO] [stdout]     |
[INFO] [stdout] 757 |             self.with_raw_vec(|v| {
[INFO] [stdout]     |                                ^
[INFO] [stdout] 758 |                 v.reserve_exact(old_cap, cap as usize - old_cap)
[INFO] [stdout]     |                 - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 757 |             self.with_raw_vec(|v: /* Type */| {
[INFO] [stdout]     |                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:787:27
[INFO] [stdout]     |
[INFO] [stdout] 787 |                 *self.ptr.as_ptr().offset((self.abs_size() - 1) as isize) == 0 {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:807:23
[INFO] [stdout]     |
[INFO] [stdout] 807 |             *self.ptr.as_ptr().offset((self.abs_size() - 1) as isize)
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/int.rs:979:54
[INFO] [stdout]     |
[INFO] [stdout] 979 |                 drop(RawVec::from_raw_parts(self.ptr.as_ptr(),
[INFO] [stdout]     |                                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/int.rs:3539:14
[INFO] [stdout]      |
[INFO] [stdout] 3539 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]     --> src/int.rs:3565:55
[INFO] [stdout]      |
[INFO] [stdout] 3565 |                         let higher = unsafe { (*i.ptr.as_ptr().offset(1)).0 } as $t;
[INFO] [stdout]      |                                                       ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 3608 | impl_from_for_prim!(signed   i8, i16, i32, i64, isize);
[INFO] [stdout]      | ------------------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `impl_from_for_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]     --> src/int.rs:3593:55
[INFO] [stdout]      |
[INFO] [stdout] 3593 |                         let higher = unsafe { (*i.ptr.as_ptr().offset(1)).0 } as $t;
[INFO] [stdout]      |                                                       ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 3609 | impl_from_for_prim!(unsigned u8, u16, u32, u64, usize);
[INFO] [stdout]      | ------------------------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `impl_from_for_prim` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]     --> src/int.rs:3614:27
[INFO] [stdout]      |
[INFO] [stdout] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb) },
[INFO] [stdout]      |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/int.rs:3614:27
[INFO] [stdout]      |
[INFO] [stdout] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb) },
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Unique<Limb>`, found `Option<Unique<_>>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected struct `Unique<Limb>`
[INFO] [stdout]                   found enum `Option<Unique<_>>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Unique<_>>` value, panicking if the value is an `Option::None`
[INFO] [stdout]      |
[INFO] [stdout] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb).expect("REASON") },
[INFO] [stdout]      |                                                                       +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stdout]     --> src/int.rs:3708:9
[INFO] [stdout]      |
[INFO] [stdout] 3708 |         Self::steps_between(start, end, &Self::one())
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^           --------------
[INFO] [stdout]      |                                       | |
[INFO] [stdout]      |                                       | unexpected argument of type `&Int`
[INFO] [stdout]      |                                       help: remove the extra argument
[INFO] [stdout]      |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]     --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/iter/range.rs:43:8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/rational.rs:892:16
[INFO] [stdout]     |
[INFO] [stdout] 892 |         self.0.description()
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 50 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0050, E0061, E0282, E0308, E0407, E0432, E0433, E0554...
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `framp` (lib) due to 51 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9e98a94b67946a50c944b28e5254dcad12ea9096d24b776c098ad6e6d8a2934f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e98a94b67946a50c944b28e5254dcad12ea9096d24b776c098ad6e6d8a2934f", kill_on_drop: false }`
[INFO] [stdout] 9e98a94b67946a50c944b28e5254dcad12ea9096d24b776c098ad6e6d8a2934f
