[INFO] crate framp 0.3.7 is already in cache
[INFO] checking framp-0.3.7 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate framp 0.3.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate framp 0.3.7 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b383c1c5f7d30c99e5929187d0a016136edbe1ef36f34960db611d1dade3568a
[INFO] running `"docker" "start" "-a" "b383c1c5f7d30c99e5929187d0a016136edbe1ef36f34960db611d1dade3568a"`
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling framp v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'gcc::compile_library': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]   --> build.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 gcc::compile_library("libasm.a", asm_srcs);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]   --> src/mem.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use alloc::heap;
[INFO] [stderr]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `heap` in `alloc`
[INFO] [stderr]     --> src/int.rs:3614:46
[INFO] [stderr]      |
[INFO] [stderr] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb) },
[INFO] [stderr]      |                                              ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `step` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> src/int.rs:3688:5
[INFO] [stderr]      |
[INFO] [stderr] 3688 | /     fn step(&self, by: &Int) -> Option<Int> {
[INFO] [stderr] 3689 | |         Some(self + by)
[INFO] [stderr] 3690 | |     }
[INFO] [stderr]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `steps_between_by_one` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> src/int.rs:3707:5
[INFO] [stderr]      |
[INFO] [stderr] 3707 | /     fn steps_between_by_one(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stderr] 3708 | |         Self::steps_between(start, end, &Self::one())
[INFO] [stderr] 3709 | |     }
[INFO] [stderr]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `is_negative` is not a member of trait `std::iter::Step`
[INFO] [stderr]     --> src/int.rs:3711:5
[INFO] [stderr]      |
[INFO] [stderr] 3711 | /     fn is_negative(&self) -> bool {
[INFO] [stderr] 3712 | |         self.sign() < 0
[INFO] [stderr] 3713 | |     }
[INFO] [stderr]      | |_____^ not a member of trait `std::iter::Step`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/int.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 |             try!(w.write_all(b"-"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/int.rs:372:21
[INFO] [stderr]     |
[INFO] [stderr] 372 |                 b'0'...b'9' => c - b'0',
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/int.rs:373:21
[INFO] [stderr]     |
[INFO] [stderr] 373 |                 b'A'...b'Z' => (c - b'A') + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/int.rs:374:21
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 b'a'...b'z' => (c - b'a') + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/int.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use std::ptr::Unique;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/int.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | use alloc::raw_vec::RawVec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> src/int.rs:126:10
[INFO] [stderr]     |
[INFO] [stderr] 126 |     ptr: Unique<Limb>,
[INFO] [stderr]     |          ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/int.rs:155:36
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn with_raw_vec<F: FnOnce(&mut RawVec<Limb>)>(&mut self, f: F) {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/int.rs:158:27
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let mut vec = RawVec::from_raw_parts(self.ptr.as_ptr(), old_cap);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]    --> src/int.rs:165:24
[INFO] [stderr]     |
[INFO] [stderr] 165 |             self.ptr = Unique::new(vec.ptr());
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/int.rs:979:22
[INFO] [stderr]     |
[INFO] [stderr] 979 |                 drop(RawVec::from_raw_parts(self.ptr.as_ptr(),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]     --> src/int.rs:3614:27
[INFO] [stderr]      |
[INFO] [stderr] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb) },
[INFO] [stderr]      |                           ^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0050]: method `steps_between` has 3 parameters but the declaration in trait `std::iter::Step::steps_between` has 2
[INFO] [stderr]     --> src/int.rs:3692:29
[INFO] [stderr]      |
[INFO] [stderr] 3692 |     fn steps_between(start: &Int, end: &Int, by: &Int) -> Option<usize> {
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^ expected 2 parameters, found 3
[INFO] [stderr]      |
[INFO] [stderr]      = note: `steps_between` from trait: `fn(&Self, &Self) -> std::option::Option<usize>`
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `add_usize`
[INFO] [stderr]     --> src/int.rs:3687:1
[INFO] [stderr]      |
[INFO] [stderr] 3687 | impl std::iter::Step for Int {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `add_usize` in implementation
[INFO] [stderr]      |
[INFO] [stderr]      = help: implement the missing item: `fn add_usize(&self, _: usize) -> std::option::Option<Self> { todo!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:144:20
[INFO] [stderr]     |
[INFO] [stderr] 144 |             *i.ptr.as_ptr() = limb;
[INFO] [stderr]     |                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:158:59
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let mut vec = RawVec::from_raw_parts(self.ptr.as_ptr(), old_cap);
[INFO] [stderr]     |                                                           ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:165:24
[INFO] [stderr]     |
[INFO] [stderr] 165 |             self.ptr = Unique::new(vec.ptr());
[INFO] [stderr]     |                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/int.rs:165:40
[INFO] [stderr]     |
[INFO] [stderr] 165 |             self.ptr = Unique::new(vec.ptr());
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/int.rs:165:24
[INFO] [stderr]     |
[INFO] [stderr] 165 |             self.ptr = Unique::new(vec.ptr());
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `std::ptr::Unique<_>`
[INFO] [stderr]                  found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<ll::limb::Limb>` in the current scope
[INFO] [stderr]    --> src/int.rs:166:31
[INFO] [stderr]     |
[INFO] [stderr] 166 |             let new_cap = vec.cap();
[INFO] [stderr]     |                               ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/int.rs:187:36
[INFO] [stderr]     |
[INFO] [stderr] 187 |             ret.with_raw_vec(|v| v.reserve_exact(0, cap as usize))
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:224:39
[INFO] [stderr]     |
[INFO] [stderr] 224 |             return unsafe { *self.ptr.as_ref() };
[INFO] [stderr]     |                                       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/int.rs:288:15
[INFO] [stderr]     |
[INFO] [stderr] 288 |             v.shrink_to_fit(size);
[INFO] [stderr]     |               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:631:53
[INFO] [stderr]     |
[INFO] [stderr] 631 |                 std::slice::from_raw_parts(self.ptr.as_ref() as *const _ as *const u8,
[INFO] [stderr]     |                                                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:740:33
[INFO] [stderr]     |
[INFO] [stderr] 740 |             Limbs::new(self.ptr.as_ref(), 0, self.abs_size())
[INFO] [stderr]     |                                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:746:36
[INFO] [stderr]     |
[INFO] [stderr] 746 |             LimbsMut::new(self.ptr.as_ptr(), 0, self.abs_size())
[INFO] [stderr]     |                                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:751:32
[INFO] [stderr]     |
[INFO] [stderr] 751 |         LimbsMut::new(self.ptr.as_ptr(), 0, self.cap as i32)
[INFO] [stderr]     |                                ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/int.rs:758:19
[INFO] [stderr]     |
[INFO] [stderr] 758 |                 v.reserve_exact(old_cap, cap as usize - old_cap)
[INFO] [stderr]     |                   ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:787:27
[INFO] [stderr]     |
[INFO] [stderr] 787 |                 *self.ptr.as_ptr().offset((self.abs_size() - 1) as isize) == 0 {
[INFO] [stderr]     |                           ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:807:23
[INFO] [stderr]     |
[INFO] [stderr] 807 |             *self.ptr.as_ptr().offset((self.abs_size() - 1) as isize)
[INFO] [stderr]     |                       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> src/int.rs:979:54
[INFO] [stderr]     |
[INFO] [stderr] 979 |                 drop(RawVec::from_raw_parts(self.ptr.as_ptr(),
[INFO] [stderr]     |                                                      ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/int.rs:3539:14
[INFO] [stderr]      |
[INFO] [stderr] 3539 |         self.description().fmt(f)
[INFO] [stderr]      |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]     --> src/int.rs:3565:55
[INFO] [stderr]      |
[INFO] [stderr] 3565 |                         let higher = unsafe { (*i.ptr.as_ptr().offset(1)).0 } as $t;
[INFO] [stderr]      |                                                       ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 3608 | impl_from_for_prim!(signed   i8, i16, i32, i64, isize);
[INFO] [stderr]      | ------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]     --> src/int.rs:3593:55
[INFO] [stderr]      |
[INFO] [stderr] 3593 |                         let higher = unsafe { (*i.ptr.as_ptr().offset(1)).0 } as $t;
[INFO] [stderr]      |                                                       ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 3609 | impl_from_for_prim!(unsigned u8, u16, u32, u64, usize);
[INFO] [stderr]      | ------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]     --> src/int.rs:3614:27
[INFO] [stderr]      |
[INFO] [stderr] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb) },
[INFO] [stderr]      |                           ^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]     --> src/int.rs:3614:27
[INFO] [stderr]      |
[INFO] [stderr] 3614 |             ptr: unsafe { Unique::new(alloc::heap::EMPTY as *mut Limb) },
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]      |
[INFO] [stderr]      = note: expected struct `std::ptr::Unique<ll::limb::Limb>`
[INFO] [stderr]                   found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stderr]     --> src/int.rs:3708:9
[INFO] [stderr]      |
[INFO] [stderr] 3708 |         Self::steps_between(start, end, &Self::one())
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^ -----  ---  ------------ supplied 3 arguments
[INFO] [stderr]      |         |
[INFO] [stderr]      |         expected 2 arguments
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/rational.rs:892:16
[INFO] [stderr]     |
[INFO] [stderr] 892 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 37 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0050, E0061, E0308, E0407, E0432, E0433, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `framp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b383c1c5f7d30c99e5929187d0a016136edbe1ef36f34960db611d1dade3568a"`
[INFO] running `"docker" "rm" "-f" "b383c1c5f7d30c99e5929187d0a016136edbe1ef36f34960db611d1dade3568a"`
[INFO] [stdout] b383c1c5f7d30c99e5929187d0a016136edbe1ef36f34960db611d1dade3568a
