Aug 17 09:43:16.186 INFO checking spin-0.4.8 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 09:43:16.186 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 09:43:16.186 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 09:43:16.187 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-5/master#142bb27373126edf8367f526358b6c72ecf1d8df:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 09:43:16.430 INFO blam! f1f2e32ea5cefe0fc4ce30bc50b6c079c3ef123e99706c20cf7a7cd8ee982e72
Aug 17 09:43:16.432 INFO running `"docker" "start" "-a" "f1f2e32ea5cefe0fc4ce30bc50b6c079c3ef123e99706c20cf7a7cd8ee982e72"`
Aug 17 09:43:17.738 INFO kablam!     Checking spin v0.4.8 (file:///source)
Aug 17 09:43:18.127 INFO kablam! warning: unnecessary `unsafe` block
Aug 17 09:43:18.127 INFO kablam!    --> src/mutex.rs:156:9
Aug 17 09:43:18.127 INFO kablam!     |
Aug 17 09:43:18.127 INFO kablam! 156 |         unsafe { data.into_inner() }
Aug 17 09:43:18.127 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Aug 17 09:43:18.127 INFO kablam!     |
Aug 17 09:43:18.127 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Aug 17 09:43:18.127 INFO kablam! 
Aug 17 09:43:18.128 INFO kablam! warning: unnecessary `unsafe` block
Aug 17 09:43:18.128 INFO kablam!    --> src/rw_lock.rs:138:9
Aug 17 09:43:18.128 INFO kablam!     |
Aug 17 09:43:18.128 INFO kablam! 138 |         unsafe { data.into_inner() }
Aug 17 09:43:18.128 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Aug 17 09:43:18.128 INFO kablam! 
Aug 17 09:43:18.129 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 17 09:43:18.129 INFO kablam!  --> src/lib.rs:8:76
Aug 17 09:43:18.129 INFO kablam!   |
Aug 17 09:43:18.129 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 17 09:43:18.129 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 17 09:43:18.129 INFO kablam! 
Aug 17 09:43:18.129 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 17 09:43:18.129 INFO kablam!  --> src/lib.rs:8:53
Aug 17 09:43:18.129 INFO kablam!   |
Aug 17 09:43:18.129 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 17 09:43:18.129 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 17 09:43:18.129 INFO kablam! 
Aug 17 09:43:18.149 INFO kablam! error: aborting due to 2 previous errors
Aug 17 09:43:18.149 INFO kablam! 
Aug 17 09:43:18.149 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 09:43:18.156 INFO kablam! error: Could not compile `spin`.
Aug 17 09:43:18.156 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 09:43:19.050 INFO kablam! warning: unnecessary `unsafe` block
Aug 17 09:43:19.050 INFO kablam!    --> src/mutex.rs:156:9
Aug 17 09:43:19.050 INFO kablam!     |
Aug 17 09:43:19.050 INFO kablam! 156 |         unsafe { data.into_inner() }
Aug 17 09:43:19.050 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Aug 17 09:43:19.051 INFO kablam!     |
Aug 17 09:43:19.051 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Aug 17 09:43:19.051 INFO kablam! 
Aug 17 09:43:19.052 INFO kablam! warning: unnecessary `unsafe` block
Aug 17 09:43:19.052 INFO kablam!    --> src/rw_lock.rs:138:9
Aug 17 09:43:19.052 INFO kablam!     |
Aug 17 09:43:19.052 INFO kablam! 138 |         unsafe { data.into_inner() }
Aug 17 09:43:19.052 INFO kablam!     |         ^^^^^^ unnecessary `unsafe` block
Aug 17 09:43:19.053 INFO kablam! 
Aug 17 09:43:19.058 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 17 09:43:19.058 INFO kablam!  --> src/lib.rs:8:76
Aug 17 09:43:19.059 INFO kablam!   |
Aug 17 09:43:19.059 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 17 09:43:19.059 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 17 09:43:19.059 INFO kablam! 
Aug 17 09:43:19.060 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 17 09:43:19.060 INFO kablam!  --> src/lib.rs:8:53
Aug 17 09:43:19.060 INFO kablam!   |
Aug 17 09:43:19.060 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 17 09:43:19.060 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 17 09:43:19.060 INFO kablam! 
Aug 17 09:43:19.098 INFO kablam! error: aborting due to 2 previous errors
Aug 17 09:43:19.098 INFO kablam! 
Aug 17 09:43:19.098 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 09:43:19.108 INFO kablam! error: Could not compile `spin`.
Aug 17 09:43:19.108 INFO kablam! 
Aug 17 09:43:19.108 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 09:43:19.110 INFO kablam! su: No module specific data is present
Aug 17 09:43:19.585 INFO running `"docker" "rm" "-f" "f1f2e32ea5cefe0fc4ce30bc50b6c079c3ef123e99706c20cf7a7cd8ee982e72"`
Aug 17 09:43:19.749 INFO blam! f1f2e32ea5cefe0fc4ce30bc50b6c079c3ef123e99706c20cf7a7cd8ee982e72