Aug 30 14:49:14.554 INFO checking hindley-milner-0.1.0 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 14:49:14.554 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 14:49:14.554 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 14:49:14.774 INFO blam! 6afdf2678eef93b1ea519b1fc0721d243a13e339325ca96795a62d4d87d05cfa
Aug 30 14:49:14.777 INFO running `"docker" "start" "-a" "6afdf2678eef93b1ea519b1fc0721d243a13e339325ca96795a62d4d87d05cfa"`
Aug 30 14:49:15.396 INFO kablam!     Checking hindley-milner v0.1.0 (file:///source)
Aug 30 14:49:16.219 INFO kablam! warning: struct is never constructed: `Namer`
Aug 30 14:49:16.219 INFO kablam!   --> src/lib.rs:77:1
Aug 30 14:49:16.219 INFO kablam!    |
Aug 30 14:49:16.219 INFO kablam! 77 | struct Namer {
Aug 30 14:49:16.219 INFO kablam!    | ^^^^^^^^^^^^
Aug 30 14:49:16.219 INFO kablam!    |
Aug 30 14:49:16.219 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 30 14:49:16.219 INFO kablam! 
Aug 30 14:49:16.219 INFO kablam! warning: method is never used: `next`
Aug 30 14:49:16.219 INFO kablam!   --> src/lib.rs:83:5
Aug 30 14:49:16.219 INFO kablam!    |
Aug 30 14:49:16.219 INFO kablam! 83 |     fn next(&mut self) -> String {
Aug 30 14:49:16.220 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 14:49:16.220 INFO kablam! 
Aug 30 14:49:16.220 INFO kablam! warning: method is never used: `name`
Aug 30 14:49:16.220 INFO kablam!   --> src/lib.rs:89:5
Aug 30 14:49:16.220 INFO kablam!    |
Aug 30 14:49:16.220 INFO kablam! 89 |     fn name(&mut self, t: ArenaType) -> String {
Aug 30 14:49:16.220 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 14:49:16.220 INFO kablam! 
Aug 30 14:49:16.220 INFO kablam! warning: method is never used: `id`
Aug 30 14:49:16.220 INFO kablam!    --> src/lib.rs:124:5
Aug 30 14:49:16.220 INFO kablam!     |
Aug 30 14:49:16.220 INFO kablam! 124 |     fn id(&self) -> usize {
Aug 30 14:49:16.220 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Aug 30 14:49:16.220 INFO kablam! 
Aug 30 14:49:16.220 INFO kablam! warning: method is never used: `as_string`
Aug 30 14:49:16.220 INFO kablam!    --> src/lib.rs:146:5
Aug 30 14:49:16.220 INFO kablam!     |
Aug 30 14:49:16.220 INFO kablam! 146 |     fn as_string(&self, a: &Vec<Type>, namer: &mut Namer) -> String {
Aug 30 14:49:16.220 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 14:49:16.221 INFO kablam! 
Aug 30 14:49:16.221 INFO kablam! warning: function is never used: `test_env`
Aug 30 14:49:16.221 INFO kablam!    --> src/lib.rs:537:1
Aug 30 14:49:16.221 INFO kablam!     |
Aug 30 14:49:16.221 INFO kablam! 537 | fn test_env() -> (Vec<Type>, Env) {
Aug 30 14:49:16.221 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 14:49:16.221 INFO kablam! 
Aug 30 14:49:16.449 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Aug 30 14:49:16.451 INFO kablam! su: No module specific data is present
Aug 30 14:49:16.836 INFO running `"docker" "rm" "-f" "6afdf2678eef93b1ea519b1fc0721d243a13e339325ca96795a62d4d87d05cfa"`
Aug 30 14:49:16.930 INFO blam! 6afdf2678eef93b1ea519b1fc0721d243a13e339325ca96795a62d4d87d05cfa