Aug 02 14:35:26.939 INFO checking aterm-0.20.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 14:35:26.939 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:35:26.939 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:35:26.939 INFO running `"docker" "create" "-v" "/tmp/crater.yMc3T8LQQ6Iv:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 14:35:27.175 INFO blam! 026adb4170e03ede7d84d4f2815fb02f4f85d54e7a99508193b0eea47a3e1a46
Aug 02 14:35:27.177 INFO running `"docker" "start" "-a" "026adb4170e03ede7d84d4f2815fb02f4f85d54e7a99508193b0eea47a3e1a46"`
Aug 02 14:35:28.316 INFO kablam!     Checking aterm v0.20.0 (file:///source)
Aug 02 14:35:29.942 INFO kablam! warning: variable does not need to be mutable
Aug 02 14:35:29.943 INFO kablam!    --> src/rc/mod.rs:221:13
Aug 02 14:35:29.943 INFO kablam!     |
Aug 02 14:35:29.943 INFO kablam! 221 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Aug 02 14:35:29.943 INFO kablam!     |             ----^^^^^^^^^^^^
Aug 02 14:35:29.944 INFO kablam!     |             |
Aug 02 14:35:29.944 INFO kablam!     |             help: remove this `mut`
Aug 02 14:35:29.944 INFO kablam!     |
Aug 02 14:35:29.944 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 14:35:29.944 INFO kablam! 
Aug 02 14:35:29.958 INFO kablam! warning: variable does not need to be mutable
Aug 02 14:35:29.959 INFO kablam!   --> src/rc/shared.rs:78:13
Aug 02 14:35:29.959 INFO kablam!    |
Aug 02 14:35:29.959 INFO kablam! 78 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Aug 02 14:35:29.959 INFO kablam!    |             ----^^^^^^^^^^^^
Aug 02 14:35:29.959 INFO kablam!    |             |
Aug 02 14:35:29.959 INFO kablam!    |             help: remove this `mut`
Aug 02 14:35:29.959 INFO kablam! 
Aug 02 14:35:30.135 INFO kablam! warning: variable does not need to be mutable
Aug 02 14:35:30.135 INFO kablam!    --> src/rc/mod.rs:221:13
Aug 02 14:35:30.135 INFO kablam!     |
Aug 02 14:35:30.135 INFO kablam! 221 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Aug 02 14:35:30.135 INFO kablam!     |             ----^^^^^^^^^^^^
Aug 02 14:35:30.135 INFO kablam!     |             |
Aug 02 14:35:30.135 INFO kablam!     |             help: remove this `mut`
Aug 02 14:35:30.135 INFO kablam!     |
Aug 02 14:35:30.135 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 14:35:30.135 INFO kablam! 
Aug 02 14:35:30.137 INFO kablam! warning: bounds on generic parameters are not enforced in type aliases
Aug 02 14:35:30.137 INFO kablam!   --> src/rc/mod.rs:71:19
Aug 02 14:35:30.137 INFO kablam!    |
Aug 02 14:35:30.137 INFO kablam! 71 | pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
Aug 02 14:35:30.137 INFO kablam!    |                   ^^^^^^^^^^
Aug 02 14:35:30.137 INFO kablam!    |
Aug 02 14:35:30.138 INFO kablam!    = note: #[warn(type_alias_bounds)] on by default
Aug 02 14:35:30.138 INFO kablam!    = help: the bound will not be checked when the type alias is used, and should be removed
Aug 02 14:35:30.138 INFO kablam! 
Aug 02 14:35:30.155 INFO kablam! warning: variable does not need to be mutable
Aug 02 14:35:30.155 INFO kablam!   --> src/rc/shared.rs:78:13
Aug 02 14:35:30.156 INFO kablam!    |
Aug 02 14:35:30.156 INFO kablam! 78 |         let mut string_cache = unsafe { extend_lifetime_mut(&mut self.string_cache.borrow_mut()) };
Aug 02 14:35:30.156 INFO kablam!    |             ----^^^^^^^^^^^^
Aug 02 14:35:30.156 INFO kablam!    |             |
Aug 02 14:35:30.156 INFO kablam!    |             help: remove this `mut`
Aug 02 14:35:30.156 INFO kablam! 
Aug 02 14:35:30.457 INFO kablam! warning: bounds on generic parameters are not enforced in type aliases
Aug 02 14:35:30.457 INFO kablam!   --> src/rc/mod.rs:71:19
Aug 02 14:35:30.457 INFO kablam!    |
Aug 02 14:35:30.457 INFO kablam! 71 | pub type T<'s, A: ATermT<'s>> = Term<'s, <A as ATermT<'s>>::Blob>;
Aug 02 14:35:30.458 INFO kablam!    |                   ^^^^^^^^^^
Aug 02 14:35:30.458 INFO kablam!    |
Aug 02 14:35:30.458 INFO kablam!    = note: #[warn(type_alias_bounds)] on by default
Aug 02 14:35:30.458 INFO kablam!    = help: the bound will not be checked when the type alias is used, and should be removed
Aug 02 14:35:30.458 INFO kablam! 
Aug 02 14:35:31.875 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:35:31.875 INFO kablam!  --> benches/main.rs:1:1
Aug 02 14:35:31.875 INFO kablam!   |
Aug 02 14:35:31.875 INFO kablam! 1 | #![feature(test)]
Aug 02 14:35:31.875 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:35:31.875 INFO kablam! 
Aug 02 14:35:31.875 INFO kablam! error: aborting due to previous error
Aug 02 14:35:31.875 INFO kablam! 
Aug 02 14:35:31.875 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:35:31.884 INFO kablam! error: Could not compile `aterm`.
Aug 02 14:35:31.885 INFO kablam! 
Aug 02 14:35:31.885 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 14:35:31.886 INFO kablam! su: No module specific data is present
Aug 02 14:35:32.545 INFO running `"docker" "rm" "-f" "026adb4170e03ede7d84d4f2815fb02f4f85d54e7a99508193b0eea47a3e1a46"`
Aug 02 14:35:32.743 INFO blam! 026adb4170e03ede7d84d4f2815fb02f4f85d54e7a99508193b0eea47a3e1a46