Nov 04 22:35:33.179 INFO checking hindley-milner-0.1.0 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 22:35:33.179 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-5/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 04 22:35:33.611 INFO blam! 216e08c32889ff5e7d12c6879ff111b0601aed4366f5316e31ba9bd88400ba2b
Nov 04 22:35:33.615 INFO running `"docker" "start" "-a" "216e08c32889ff5e7d12c6879ff111b0601aed4366f5316e31ba9bd88400ba2b"`
Nov 04 22:35:34.323 INFO kablam! usermod: no changes
Nov 04 22:35:34.363 INFO kablam!     Checking hindley-milner v0.1.0 (/source)
Nov 04 22:35:35.054 INFO kablam! warning: struct is never constructed: `Namer`
Nov 04 22:35:35.055 INFO kablam!   --> src/lib.rs:77:1
Nov 04 22:35:35.055 INFO kablam!    |
Nov 04 22:35:35.055 INFO kablam! 77 | struct Namer {
Nov 04 22:35:35.055 INFO kablam!    | ^^^^^^^^^^^^
Nov 04 22:35:35.055 INFO kablam!    |
Nov 04 22:35:35.055 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 22:35:35.055 INFO kablam! 
Nov 04 22:35:35.055 INFO kablam! warning: method is never used: `next`
Nov 04 22:35:35.055 INFO kablam!   --> src/lib.rs:83:5
Nov 04 22:35:35.055 INFO kablam!    |
Nov 04 22:35:35.055 INFO kablam! 83 |     fn next(&mut self) -> String {
Nov 04 22:35:35.055 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 22:35:35.055 INFO kablam! 
Nov 04 22:35:35.055 INFO kablam! warning: method is never used: `name`
Nov 04 22:35:35.055 INFO kablam!   --> src/lib.rs:89:5
Nov 04 22:35:35.055 INFO kablam!    |
Nov 04 22:35:35.055 INFO kablam! 89 |     fn name(&mut self, t: ArenaType) -> String {
Nov 04 22:35:35.055 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 22:35:35.055 INFO kablam! 
Nov 04 22:35:35.055 INFO kablam! warning: method is never used: `id`
Nov 04 22:35:35.055 INFO kablam!    --> src/lib.rs:124:5
Nov 04 22:35:35.055 INFO kablam!     |
Nov 04 22:35:35.055 INFO kablam! 124 |     fn id(&self) -> usize {
Nov 04 22:35:35.055 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 04 22:35:35.055 INFO kablam! 
Nov 04 22:35:35.055 INFO kablam! warning: method is never used: `as_string`
Nov 04 22:35:35.055 INFO kablam!    --> src/lib.rs:146:5
Nov 04 22:35:35.055 INFO kablam!     |
Nov 04 22:35:35.055 INFO kablam! 146 |     fn as_string(&self, a: &Vec<Type>, namer: &mut Namer) -> String {
Nov 04 22:35:35.055 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 22:35:35.055 INFO kablam! 
Nov 04 22:35:35.055 INFO kablam! warning: function is never used: `test_env`
Nov 04 22:35:35.055 INFO kablam!    --> src/lib.rs:537:1
Nov 04 22:35:35.055 INFO kablam!     |
Nov 04 22:35:35.055 INFO kablam! 537 | fn test_env() -> (Vec<Type>, Env) {
Nov 04 22:35:35.055 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 22:35:35.055 INFO kablam! 
Nov 04 22:35:35.259 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 04 22:35:35.259 INFO kablam! su: No module specific data is present
Nov 04 22:35:35.757 INFO running `"docker" "rm" "-f" "216e08c32889ff5e7d12c6879ff111b0601aed4366f5316e31ba9bd88400ba2b"`
Nov 04 22:35:36.011 INFO blam! 216e08c32889ff5e7d12c6879ff111b0601aed4366f5316e31ba9bd88400ba2b