Sep 01 11:14:28.811 INFO checking adapton-0.3.30 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 11:14:28.812 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 11:14:28.812 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 11:14:28.978 INFO blam! 29ed1e059b6bc0b546a7d66c8460f862314e8c19d03e126cbefd2b9db168ea95
Sep 01 11:14:28.980 INFO running `"docker" "start" "-a" "29ed1e059b6bc0b546a7d66c8460f862314e8c19d03e126cbefd2b9db168ea95"`
Sep 01 11:14:29.532 INFO kablam!     Checking adapton v0.3.30 (file:///source)
Sep 01 11:14:30.481 INFO kablam! warning: unnecessary parentheses around function argument
Sep 01 11:14:30.482 INFO kablam!     --> src/catalog/collections.rs:1070:62
Sep 01 11:14:30.482 INFO kablam!      |
Sep 01 11:14:30.482 INFO kablam! 1070 |                ||mergesort_list_of_tree2::<_,_,_,List<_>>(t, (Some(name_of_usize(666)))));
Sep 01 11:14:30.482 INFO kablam!      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 01 11:14:30.482 INFO kablam!      |
Sep 01 11:14:30.482 INFO kablam!      = note: #[warn(unused_parens)] on by default
Sep 01 11:14:30.482 INFO kablam! 
Sep 01 11:14:34.286 INFO kablam! warning: function is never used: `explore_rec`
Sep 01 11:14:34.286 INFO kablam!     --> src/engine.rs:2810:5
Sep 01 11:14:34.286 INFO kablam!      |
Sep 01 11:14:34.286 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Sep 01 11:14:34.286 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:14:34.286 INFO kablam!      |
Sep 01 11:14:34.286 INFO kablam!      = note: #[warn(dead_code)] on by default
Sep 01 11:14:34.286 INFO kablam! 
Sep 01 11:14:34.320 INFO kablam! warning: function cannot return without recurring
Sep 01 11:14:34.320 INFO kablam!     --> src/engine.rs:2810:5
Sep 01 11:14:34.320 INFO kablam!      |
Sep 01 11:14:34.320 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Sep 01 11:14:34.321 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recurring
Sep 01 11:14:34.321 INFO kablam! ...
Sep 01 11:14:34.321 INFO kablam! 2813 |         let mut av = explore_rec(a);
Sep 01 11:14:34.321 INFO kablam!      |                      -------------- recursive call site
Sep 01 11:14:34.321 INFO kablam!      |
Sep 01 11:14:34.321 INFO kablam! note: lint level defined here
Sep 01 11:14:34.321 INFO kablam!     --> src/engine.rs:2809:12
Sep 01 11:14:34.321 INFO kablam!      |
Sep 01 11:14:34.321 INFO kablam! 2809 |     #[warn(unconditional_recursion)]
Sep 01 11:14:34.321 INFO kablam!      |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:14:34.321 INFO kablam!      = help: a `loop` may express intention better if this is on purpose
Sep 01 11:14:34.321 INFO kablam! 
Sep 01 11:14:36.225 INFO kablam! warning: unused import: `ListIntro`
Sep 01 11:14:36.226 INFO kablam!  --> benches/tries_bench.rs:5:49
Sep 01 11:14:36.226 INFO kablam!   |
Sep 01 11:14:36.226 INFO kablam! 5 | use adapton::catalog::collections::{Dir2, List, ListIntro, Tree, monoid_of_tree, tree_of_list};
Sep 01 11:14:36.226 INFO kablam!   |                                                 ^^^^^^^^^
Sep 01 11:14:36.227 INFO kablam!   |
Sep 01 11:14:36.227 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 11:14:36.227 INFO kablam! 
Sep 01 11:14:37.536 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.01s
Sep 01 11:14:37.544 INFO kablam! su: No module specific data is present
Sep 01 11:14:38.090 INFO running `"docker" "rm" "-f" "29ed1e059b6bc0b546a7d66c8460f862314e8c19d03e126cbefd2b9db168ea95"`
Sep 01 11:14:38.265 INFO blam! 29ed1e059b6bc0b546a7d66c8460f862314e8c19d03e126cbefd2b9db168ea95