Nov 10 04:55:20.195 INFO checking hindley-milner-0.1.0 against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 10 04:55:20.195 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-7/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 10 04:55:20.547 INFO blam! 02b66fe87841b351f165eece5d79af56b353313a6a1e73defe974f71980a4dc3
Nov 10 04:55:20.550 INFO running `"docker" "start" "-a" "02b66fe87841b351f165eece5d79af56b353313a6a1e73defe974f71980a4dc3"`
Nov 10 04:55:21.351 INFO kablam! usermod: no changes
Nov 10 04:55:21.415 INFO kablam!     Checking hindley-milner v0.1.0 (/source)
Nov 10 04:55:22.728 INFO kablam! warning: struct is never constructed: `Namer`
Nov 10 04:55:22.728 INFO kablam!   --> src/lib.rs:77:1
Nov 10 04:55:22.728 INFO kablam!    |
Nov 10 04:55:22.728 INFO kablam! 77 | struct Namer {
Nov 10 04:55:22.728 INFO kablam!    | ^^^^^^^^^^^^
Nov 10 04:55:22.728 INFO kablam!    |
Nov 10 04:55:22.728 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 10 04:55:22.728 INFO kablam! 
Nov 10 04:55:22.728 INFO kablam! warning: method is never used: `next`
Nov 10 04:55:22.728 INFO kablam!   --> src/lib.rs:83:5
Nov 10 04:55:22.728 INFO kablam!    |
Nov 10 04:55:22.728 INFO kablam! 83 |     fn next(&mut self) -> String {
Nov 10 04:55:22.728 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 04:55:22.728 INFO kablam! 
Nov 10 04:55:22.728 INFO kablam! warning: method is never used: `name`
Nov 10 04:55:22.728 INFO kablam!   --> src/lib.rs:89:5
Nov 10 04:55:22.728 INFO kablam!    |
Nov 10 04:55:22.728 INFO kablam! 89 |     fn name(&mut self, t: ArenaType) -> String {
Nov 10 04:55:22.728 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 04:55:22.729 INFO kablam! 
Nov 10 04:55:22.729 INFO kablam! warning: method is never used: `id`
Nov 10 04:55:22.729 INFO kablam!    --> src/lib.rs:124:5
Nov 10 04:55:22.729 INFO kablam!     |
Nov 10 04:55:22.729 INFO kablam! 124 |     fn id(&self) -> usize {
Nov 10 04:55:22.729 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 10 04:55:22.729 INFO kablam! 
Nov 10 04:55:22.729 INFO kablam! warning: method is never used: `as_string`
Nov 10 04:55:22.729 INFO kablam!    --> src/lib.rs:146:5
Nov 10 04:55:22.729 INFO kablam!     |
Nov 10 04:55:22.729 INFO kablam! 146 |     fn as_string(&self, a: &Vec<Type>, namer: &mut Namer) -> String {
Nov 10 04:55:22.729 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 04:55:22.729 INFO kablam! 
Nov 10 04:55:22.735 INFO kablam! warning: function is never used: `test_env`
Nov 10 04:55:22.735 INFO kablam!    --> src/lib.rs:537:1
Nov 10 04:55:22.735 INFO kablam!     |
Nov 10 04:55:22.735 INFO kablam! 537 | fn test_env() -> (Vec<Type>, Env) {
Nov 10 04:55:22.735 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 04:55:22.735 INFO kablam! 
Nov 10 04:55:22.775 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Nov 10 04:55:22.785 INFO kablam! su: No module specific data is present
Nov 10 04:55:23.275 INFO running `"docker" "rm" "-f" "02b66fe87841b351f165eece5d79af56b353313a6a1e73defe974f71980a4dc3"`
Nov 10 04:55:23.354 INFO blam! 02b66fe87841b351f165eece5d79af56b353313a6a1e73defe974f71980a4dc3