[INFO] updating cached repository nathanfaucett/rb-ndarray
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nathanfaucett/rb-ndarray
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nathanfaucett/rb-ndarray" "work/ex/beta-1.38-1/sources/1.37.0/gh/nathanfaucett/rb-ndarray"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nathanfaucett/rb-ndarray'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nathanfaucett/rb-ndarray" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nathanfaucett/rb-ndarray"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nathanfaucett/rb-ndarray'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30c0882da076b0fa5f0ba673e1078c1fbe2604f4
[INFO] sha for GitHub repo nathanfaucett/rb-ndarray: 30c0882da076b0fa5f0ba673e1078c1fbe2604f4
[INFO] validating manifest of nathanfaucett/rb-ndarray on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nathanfaucett/rb-ndarray on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nathanfaucett/rb-ndarray
[INFO] finished frobbing nathanfaucett/rb-ndarray
[INFO] frobbed toml for nathanfaucett/rb-ndarray written to work/ex/beta-1.38-1/sources/1.37.0/gh/nathanfaucett/rb-ndarray/Cargo.toml
[INFO] started frobbing nathanfaucett/rb-ndarray
[INFO] finished frobbing nathanfaucett/rb-ndarray
[INFO] frobbed toml for nathanfaucett/rb-ndarray written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nathanfaucett/rb-ndarray/Cargo.toml
[INFO] crate nathanfaucett/rb-ndarray already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nathanfaucett/rb-ndarray against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nathanfaucett/rb-ndarray:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 72ec0ead5ad51959b4ce9db8de08f06ab48582eadbddee85fa710fef227d3cb3
[INFO] running `"docker" "start" "-a" "72ec0ead5ad51959b4ce9db8de08f06ab48582eadbddee85fa710fef227d3cb3"`
[INFO] [stderr]    Compiling ruby-sys v0.2.20
[INFO] [stderr]    Compiling zero v0.1.0 (https://github.com/nathanfaucett/rs-zero.git#0f00fe56)
[INFO] [stderr]    Compiling buffer v0.1.0 (https://github.com/nathanfaucett/rs-buffer.git#0e00df57)
[INFO] [stderr]    Compiling one v0.1.0 (https://github.com/nathanfaucett/rs-one.git#96ae0b19)
[INFO] [stderr] error[E0432]: unresolved imports `alloc::oom`, `alloc::heap`
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::{oom, heap};
[INFO] [stderr]   |             ^^^  ^^^^ no `heap` in the root
[INFO] [stderr]   |             |
[INFO] [stderr]   |             no `oom` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core_intrinsics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(dropck_parametricity)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(heap_api)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(oom)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(unique)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[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]  --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use core::ptr::{self, Unique};
[INFO] [stderr]   |                       ^^^^^^
[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]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ptr: Unique<T>,
[INFO] [stderr]    |          ^^^^^^^^^
[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]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^
[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]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |             ptr: Unique::new(ptr),
[INFO] [stderr]    |                  ^^^^^^^^^^^
[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]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |             self.ptr = Unique::new(ptr as *mut _);
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 ptr: Unique::new(ptr as *mut _),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `core::ptr::Unique`, found enum `core::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `core::ptr::Unique<T>`
[INFO] [stderr]               found type `core::option::Option<core::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |             ptr: Unique::new(ptr),
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |             ptr: Unique::new(ptr),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ expected struct `core::ptr::Unique`, found enum `core::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `core::ptr::Unique<_>`
[INFO] [stderr]               found type `core::option::Option<core::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `core::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         *self.ptr
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |             self.ptr = Unique::new(ptr as *mut _);
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |             self.ptr = Unique::new(ptr as *mut _);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `core::ptr::Unique`, found enum `core::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `core::ptr::Unique<T>`
[INFO] [stderr]               found type `core::option::Option<core::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `core::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:108:34
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 heap::deallocate(*self.ptr as *mut _, num_bytes, align);
[INFO] [stderr]     |                                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `core::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:120:21
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let p = *self.ptr;
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `core::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let p = *self.ptr;
[INFO] [stderr]     |                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `core::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:141:23
[INFO] [stderr]     |
[INFO] [stderr] 141 |             ptr::copy(*self.ptr as *const _, *cloned.ptr, self.len);
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `core::ptr::Unique<T>` cannot be dereferenced
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/rs-buffer-42ba7dcc02e5b459/0e00df5/src/buffer.rs:141:46
[INFO] [stderr]     |
[INFO] [stderr] 141 |             ptr::copy(*self.ptr as *const _, *cloned.ptr, self.len);
[INFO] [stderr]     |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 24 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432, E0554, E0614, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `buffer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "72ec0ead5ad51959b4ce9db8de08f06ab48582eadbddee85fa710fef227d3cb3"`
[INFO] running `"docker" "rm" "-f" "72ec0ead5ad51959b4ce9db8de08f06ab48582eadbddee85fa710fef227d3cb3"`
[INFO] [stdout] 72ec0ead5ad51959b4ce9db8de08f06ab48582eadbddee85fa710fef227d3cb3