Sep 10 23:06:09.138 INFO checking adapton-0.3.30 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 23:06:09.138 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 23:06:09.138 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 23:06:09.390 INFO blam! dee7e35db00e5a76c47f73d90438a63293b4fd46e03efe7cf89a8a40ca1e2a17
Sep 10 23:06:09.392 INFO running `"docker" "start" "-a" "dee7e35db00e5a76c47f73d90438a63293b4fd46e03efe7cf89a8a40ca1e2a17"`
Sep 10 23:06:10.435 INFO kablam! usermod: no changes
Sep 10 23:06:10.500 INFO kablam!     Checking adapton v0.3.30 (file:///source)
Sep 10 23:06:11.854 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 23:06:11.854 INFO kablam!     --> src/catalog/collections.rs:1070:62
Sep 10 23:06:11.854 INFO kablam!      |
Sep 10 23:06:11.854 INFO kablam! 1070 |                ||mergesort_list_of_tree2::<_,_,_,List<_>>(t, (Some(name_of_usize(666)))));
Sep 10 23:06:11.854 INFO kablam!      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 23:06:11.854 INFO kablam!      |
Sep 10 23:06:11.854 INFO kablam!      = note: #[warn(unused_parens)] on by default
Sep 10 23:06:11.854 INFO kablam! 
Sep 10 23:06:15.601 INFO kablam! warning: unused import: `ListIntro`
Sep 10 23:06:15.601 INFO kablam!  --> benches/tries_bench.rs:5:49
Sep 10 23:06:15.601 INFO kablam!   |
Sep 10 23:06:15.601 INFO kablam! 5 | use adapton::catalog::collections::{Dir2, List, ListIntro, Tree, monoid_of_tree, tree_of_list};
Sep 10 23:06:15.601 INFO kablam!   |                                                 ^^^^^^^^^
Sep 10 23:06:15.601 INFO kablam!   |
Sep 10 23:06:15.601 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 23:06:15.601 INFO kablam! 
Sep 10 23:06:16.130 INFO kablam! warning: function is never used: `explore_rec`
Sep 10 23:06:16.130 INFO kablam!     --> src/engine.rs:2810:5
Sep 10 23:06:16.130 INFO kablam!      |
Sep 10 23:06:16.130 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Sep 10 23:06:16.130 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 23:06:16.130 INFO kablam!      |
Sep 10 23:06:16.130 INFO kablam!      = note: #[warn(dead_code)] on by default
Sep 10 23:06:16.130 INFO kablam! 
Sep 10 23:06:16.161 INFO kablam! warning: function cannot return without recursing
Sep 10 23:06:16.161 INFO kablam!     --> src/engine.rs:2810:5
Sep 10 23:06:16.161 INFO kablam!      |
Sep 10 23:06:16.161 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Sep 10 23:06:16.161 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
Sep 10 23:06:16.161 INFO kablam! ...
Sep 10 23:06:16.161 INFO kablam! 2813 |         let mut av = explore_rec(a);
Sep 10 23:06:16.162 INFO kablam!      |                      -------------- recursive call site
Sep 10 23:06:16.162 INFO kablam!      |
Sep 10 23:06:16.162 INFO kablam! note: lint level defined here
Sep 10 23:06:16.162 INFO kablam!     --> src/engine.rs:2809:12
Sep 10 23:06:16.162 INFO kablam!      |
Sep 10 23:06:16.162 INFO kablam! 2809 |     #[warn(unconditional_recursion)]
Sep 10 23:06:16.162 INFO kablam!      |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 23:06:16.162 INFO kablam!      = help: a `loop` may express intention better if this is on purpose
Sep 10 23:06:16.162 INFO kablam! 
Sep 10 23:06:16.261 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
Sep 10 23:06:16.263 INFO kablam! su: No module specific data is present
Sep 10 23:06:17.300 INFO running `"docker" "rm" "-f" "dee7e35db00e5a76c47f73d90438a63293b4fd46e03efe7cf89a8a40ca1e2a17"`
Sep 10 23:06:17.436 INFO blam! dee7e35db00e5a76c47f73d90438a63293b4fd46e03efe7cf89a8a40ca1e2a17