Aug 11 11:40:56.458 INFO checking hindley-milner-0.1.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 11:40:56.458 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 11:40:56.458 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 11:40:56.458 INFO running `"docker" "create" "-v" "/tmp/crater.C9BPkStlaG99:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 11:40:56.610 INFO blam! 91cb0e00a6095081e9d31053212802f70d8a28189db281b07983e0ff7a6f9737
Aug 11 11:40:56.611 INFO running `"docker" "start" "-a" "91cb0e00a6095081e9d31053212802f70d8a28189db281b07983e0ff7a6f9737"`
Aug 11 11:40:58.142 INFO kablam!     Checking hindley-milner v0.1.0 (file:///source)
Aug 11 11:40:58.883 INFO kablam! warning: struct is never constructed: `Namer`
Aug 11 11:40:58.884 INFO kablam!   --> src/lib.rs:77:1
Aug 11 11:40:58.884 INFO kablam!    |
Aug 11 11:40:58.884 INFO kablam! 77 | struct Namer {
Aug 11 11:40:58.884 INFO kablam!    | ^^^^^^^^^^^^
Aug 11 11:40:58.884 INFO kablam!    |
Aug 11 11:40:58.884 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 11 11:40:58.884 INFO kablam! 
Aug 11 11:40:58.885 INFO kablam! warning: method is never used: `next`
Aug 11 11:40:58.885 INFO kablam!   --> src/lib.rs:83:5
Aug 11 11:40:58.885 INFO kablam!    |
Aug 11 11:40:58.885 INFO kablam! 83 |     fn next(&mut self) -> String {
Aug 11 11:40:58.885 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 11:40:58.885 INFO kablam! 
Aug 11 11:40:58.885 INFO kablam! warning: method is never used: `name`
Aug 11 11:40:58.885 INFO kablam!   --> src/lib.rs:89:5
Aug 11 11:40:58.885 INFO kablam!    |
Aug 11 11:40:58.885 INFO kablam! 89 |     fn name(&mut self, t: ArenaType) -> String {
Aug 11 11:40:58.885 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 11:40:58.885 INFO kablam! 
Aug 11 11:40:58.885 INFO kablam! warning: method is never used: `id`
Aug 11 11:40:58.885 INFO kablam!    --> src/lib.rs:124:5
Aug 11 11:40:58.885 INFO kablam!     |
Aug 11 11:40:58.885 INFO kablam! 124 |     fn id(&self) -> usize {
Aug 11 11:40:58.885 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 11:40:58.885 INFO kablam! 
Aug 11 11:40:58.885 INFO kablam! warning: method is never used: `as_string`
Aug 11 11:40:58.885 INFO kablam!    --> src/lib.rs:146:5
Aug 11 11:40:58.885 INFO kablam!     |
Aug 11 11:40:58.885 INFO kablam! 146 |     fn as_string(&self, a: &Vec<Type>, namer: &mut Namer) -> String {
Aug 11 11:40:58.885 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 11:40:58.885 INFO kablam! 
Aug 11 11:40:58.885 INFO kablam! warning: function is never used: `test_env`
Aug 11 11:40:58.885 INFO kablam!    --> src/lib.rs:537:1
Aug 11 11:40:58.885 INFO kablam!     |
Aug 11 11:40:58.885 INFO kablam! 537 | fn test_env() -> (Vec<Type>, Env) {
Aug 11 11:40:58.885 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 11:40:58.886 INFO kablam! 
Aug 11 11:40:59.235 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Aug 11 11:40:59.240 INFO kablam! su: No module specific data is present
Aug 11 11:41:00.774 INFO running `"docker" "rm" "-f" "91cb0e00a6095081e9d31053212802f70d8a28189db281b07983e0ff7a6f9737"`
Aug 11 11:41:00.955 INFO blam! 91cb0e00a6095081e9d31053212802f70d8a28189db281b07983e0ff7a6f9737