Sep 10 23:06:10.518 INFO checking adapton-0.3.30 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 23:06:10.518 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 23:06:10.518 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 23:06:10.715 INFO blam! 35ace6eb01e40b2db565447c8e5336471a7b1ba93c22618280752dfb89fd2437
Sep 10 23:06:10.717 INFO running `"docker" "start" "-a" "35ace6eb01e40b2db565447c8e5336471a7b1ba93c22618280752dfb89fd2437"`
Sep 10 23:06:12.323 INFO kablam! usermod: no changes
Sep 10 23:06:12.406 INFO kablam!     Checking adapton v0.3.30 (file:///source)
Sep 10 23:06:14.318 INFO kablam! warning: unnecessary parentheses around function argument
Sep 10 23:06:14.318 INFO kablam!     --> src/catalog/collections.rs:1070:62
Sep 10 23:06:14.318 INFO kablam!      |
Sep 10 23:06:14.318 INFO kablam! 1070 |                ||mergesort_list_of_tree2::<_,_,_,List<_>>(t, (Some(name_of_usize(666)))));
Sep 10 23:06:14.318 INFO kablam!      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 23:06:14.318 INFO kablam!      |
Sep 10 23:06:14.318 INFO kablam!      = note: #[warn(unused_parens)] on by default
Sep 10 23:06:14.318 INFO kablam! 
Sep 10 23:06:17.215 INFO kablam! warning: function is never used: `explore_rec`
Sep 10 23:06:17.215 INFO kablam!     --> src/engine.rs:2810:5
Sep 10 23:06:17.215 INFO kablam!      |
Sep 10 23:06:17.215 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Sep 10 23:06:17.215 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 23:06:17.215 INFO kablam!      |
Sep 10 23:06:17.215 INFO kablam!      = note: #[warn(dead_code)] on by default
Sep 10 23:06:17.215 INFO kablam! 
Sep 10 23:06:17.270 INFO kablam! warning: function cannot return without recursing
Sep 10 23:06:17.270 INFO kablam!     --> src/engine.rs:2810:5
Sep 10 23:06:17.270 INFO kablam!      |
Sep 10 23:06:17.270 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Sep 10 23:06:17.270 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
Sep 10 23:06:17.270 INFO kablam! ...
Sep 10 23:06:17.270 INFO kablam! 2813 |         let mut av = explore_rec(a);
Sep 10 23:06:17.270 INFO kablam!      |                      -------------- recursive call site
Sep 10 23:06:17.270 INFO kablam!      |
Sep 10 23:06:17.270 INFO kablam! note: lint level defined here
Sep 10 23:06:17.270 INFO kablam!     --> src/engine.rs:2809:12
Sep 10 23:06:17.270 INFO kablam!      |
Sep 10 23:06:17.270 INFO kablam! 2809 |     #[warn(unconditional_recursion)]
Sep 10 23:06:17.270 INFO kablam!      |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 23:06:17.270 INFO kablam!      = help: a `loop` may express intention better if this is on purpose
Sep 10 23:06:17.270 INFO kablam! 
Sep 10 23:06:17.937 INFO kablam! warning: unused import: `ListIntro`
Sep 10 23:06:17.937 INFO kablam!  --> benches/tries_bench.rs:5:49
Sep 10 23:06:17.937 INFO kablam!   |
Sep 10 23:06:17.937 INFO kablam! 5 | use adapton::catalog::collections::{Dir2, List, ListIntro, Tree, monoid_of_tree, tree_of_list};
Sep 10 23:06:17.937 INFO kablam!   |                                                 ^^^^^^^^^
Sep 10 23:06:17.937 INFO kablam!   |
Sep 10 23:06:17.937 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 23:06:17.937 INFO kablam! 
Sep 10 23:06:18.126 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
Sep 10 23:06:18.127 INFO kablam! su: No module specific data is present
Sep 10 23:06:18.962 INFO running `"docker" "rm" "-f" "35ace6eb01e40b2db565447c8e5336471a7b1ba93c22618280752dfb89fd2437"`
Sep 10 23:06:19.067 INFO blam! 35ace6eb01e40b2db565447c8e5336471a7b1ba93c22618280752dfb89fd2437