[INFO] crate bitmaptrie 2.0.0 is already in cache
[INFO] extracting crate bitmaptrie 2.0.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/bitmaptrie/2.0.0
[INFO] extracting crate bitmaptrie 2.0.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/bitmaptrie/2.0.0
[INFO] validating manifest of bitmaptrie-2.0.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bitmaptrie-2.0.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bitmaptrie-2.0.0
[INFO] finished frobbing bitmaptrie-2.0.0
[INFO] frobbed toml for bitmaptrie-2.0.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/bitmaptrie/2.0.0/Cargo.toml
[INFO] started frobbing bitmaptrie-2.0.0
[INFO] finished frobbing bitmaptrie-2.0.0
[INFO] frobbed toml for bitmaptrie-2.0.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/bitmaptrie/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bitmaptrie-2.0.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/bitmaptrie/2.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3c57b1d5fae0782b2b957823477c5beebd2ab2d13ab71e590265dc7f5c05e8c9
[INFO] running `"docker" "start" "-a" "3c57b1d5fae0782b2b957823477c5beebd2ab2d13ab71e590265dc7f5c05e8c9"`
[INFO] [stderr]     Checking bitmaptrie v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `self::alloc::heap`
[INFO] [stderr]   --> src/comprawvec.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | use self::alloc::heap::{allocate, reallocate, deallocate};
[INFO] [stderr]    |                  ^^^^ could not find `heap` in `alloc`
[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/comprawvec.rs:7:35
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ptr::{copy, read, write, 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 'ptr_internals': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:28:11
[INFO] [stderr]    |
[INFO] [stderr] 28 |     ptrs: Unique<T>,
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:38:37
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn allocate(capacity: usize) -> Unique<T> {
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             Unique::new(array as *mut T)
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn reallocate(data: &mut Unique<T>, old_capacity: usize, new_capacity: usize) {
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *data = Unique::new(array as *mut T);
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:71:30
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn deallocate(data: &mut Unique<T>, capacity: usize) {
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(ptr_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `self::alloc::heap`
[INFO] [stderr]   --> src/comprawvec.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | use self::alloc::heap::{allocate, reallocate, deallocate};
[INFO] [stderr]    |                  ^^^^ could not find `heap` in `alloc`
[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/comprawvec.rs:7:35
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ptr::{copy, read, write, 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 'ptr_internals': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:28:11
[INFO] [stderr]    |
[INFO] [stderr] 28 |     ptrs: Unique<T>,
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:38:37
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn allocate(capacity: usize) -> Unique<T> {
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             Unique::new(array as *mut T)
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn reallocate(data: &mut Unique<T>, old_capacity: usize, new_capacity: usize) {
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *data = Unique::new(array as *mut T);
[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': use NonNull instead and consider PhantomData<T> (if you also use #[may_dangle]), Send, and/or Sync
[INFO] [stderr]   --> src/comprawvec.rs:71:30
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn deallocate(data: &mut Unique<T>, capacity: usize) {
[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/comprawvec.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             Unique::new(array as *mut T)
[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/comprawvec.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             Unique::new(array as *mut T)
[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/comprawvec.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn allocate(capacity: usize) -> Unique<T> {
[INFO] [stderr]    |                                     --------- expected `std::ptr::Unique<T>` because of return type
[INFO] [stderr] ...
[INFO] [stderr] 47 |             Unique::new(array as *mut T)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::ptr::Unique<T>`
[INFO] [stderr]               found type `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> src/comprawvec.rs:58:41
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let array = reallocate(data.as_ptr() as *mut 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/comprawvec.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *data = Unique::new(array as *mut T);
[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/comprawvec.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *data = Unique::new(array as *mut T);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::ptr::Unique<T>`
[INFO] [stderr]               found type `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> src/comprawvec.rs:74:29
[INFO] [stderr]    |
[INFO] [stderr] 74 |             deallocate(data.as_ptr() as *mut u8, size, align_of::<T>());
[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/comprawvec.rs:81:35
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let p: *mut T = self.ptrs.as_ptr().offset(index 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/comprawvec.rs:88:37
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let p: *const T = self.ptrs.as_ptr().offset(index 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/comprawvec.rs:111:37
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let ptr: *mut T = self.ptrs.as_ptr().offset(index 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/comprawvec.rs:138:37
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let ptr: *mut T = self.ptrs.as_ptr().offset(index as isize);
[INFO] [stderr]     |                                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add #![feature(ptr_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 18 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `bitmaptrie`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/comprawvec.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn allocate(capacity: usize) -> Unique<T> {
[INFO] [stderr]    |                                     --------- expected `std::ptr::Unique<T>` because of return type
[INFO] [stderr] ...
[INFO] [stderr] 47 |             Unique::new(array as *mut T)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::ptr::Unique<T>`
[INFO] [stderr]               found type `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> src/comprawvec.rs:58:41
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let array = reallocate(data.as_ptr() as *mut 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/comprawvec.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *data = Unique::new(array as *mut T);
[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/comprawvec.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *data = Unique::new(array as *mut T);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::ptr::Unique<T>`
[INFO] [stderr]               found type `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> src/comprawvec.rs:74:29
[INFO] [stderr]    |
[INFO] [stderr] 74 |             deallocate(data.as_ptr() as *mut u8, size, align_of::<T>());
[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/comprawvec.rs:81:35
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let p: *mut T = self.ptrs.as_ptr().offset(index 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/comprawvec.rs:88:37
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let p: *const T = self.ptrs.as_ptr().offset(index 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/comprawvec.rs:111:37
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let ptr: *mut T = self.ptrs.as_ptr().offset(index 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/comprawvec.rs:138:37
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let ptr: *mut T = self.ptrs.as_ptr().offset(index as isize);
[INFO] [stderr]     |                                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add #![feature(ptr_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 18 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `bitmaptrie`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3c57b1d5fae0782b2b957823477c5beebd2ab2d13ab71e590265dc7f5c05e8c9"`
[INFO] running `"docker" "rm" "-f" "3c57b1d5fae0782b2b957823477c5beebd2ab2d13ab71e590265dc7f5c05e8c9"`
[INFO] [stdout] 3c57b1d5fae0782b2b957823477c5beebd2ab2d13ab71e590265dc7f5c05e8c9