Sep 20 05:14:26.596 INFO checking adapton-0.3.30 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 05:14:26.596 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 05:14:26.596 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 05:14:26.804 INFO blam! f6a82e3f2d16bbc17170afdbb356abeebfa27bde5f75734b3ec2b829dbc4bb35
Sep 20 05:14:26.807 INFO running `"docker" "start" "-a" "f6a82e3f2d16bbc17170afdbb356abeebfa27bde5f75734b3ec2b829dbc4bb35"`
Sep 20 05:14:27.602 INFO kablam! usermod: no changes
Sep 20 05:14:27.700 INFO kablam!     Checking adapton v0.3.30 (/source)
Sep 20 05:14:28.669 INFO kablam! warning: unnecessary parentheses around function argument
Sep 20 05:14:28.669 INFO kablam!     --> src/catalog/collections.rs:1070:62
Sep 20 05:14:28.670 INFO kablam!      |
Sep 20 05:14:28.670 INFO kablam! 1070 |                ||mergesort_list_of_tree2::<_,_,_,List<_>>(t, (Some(name_of_usize(666)))));
Sep 20 05:14:28.670 INFO kablam!      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 20 05:14:28.670 INFO kablam!      |
Sep 20 05:14:28.671 INFO kablam!      = note: #[warn(unused_parens)] on by default
Sep 20 05:14:28.671 INFO kablam! 
Sep 20 05:14:32.107 INFO kablam! warning: function is never used: `explore_rec`
Sep 20 05:14:32.107 INFO kablam!     --> src/engine.rs:2810:5
Sep 20 05:14:32.108 INFO kablam!      |
Sep 20 05:14:32.108 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Sep 20 05:14:32.108 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 05:14:32.109 INFO kablam!      |
Sep 20 05:14:32.109 INFO kablam!      = note: #[warn(dead_code)] on by default
Sep 20 05:14:32.109 INFO kablam! 
Sep 20 05:14:32.182 INFO kablam! warning: function cannot return without recursing
Sep 20 05:14:32.182 INFO kablam!     --> src/engine.rs:2810:5
Sep 20 05:14:32.183 INFO kablam!      |
Sep 20 05:14:32.183 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Sep 20 05:14:32.183 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
Sep 20 05:14:32.183 INFO kablam! ...
Sep 20 05:14:32.183 INFO kablam! 2813 |         let mut av = explore_rec(a);
Sep 20 05:14:32.183 INFO kablam!      |                      -------------- recursive call site
Sep 20 05:14:32.183 INFO kablam!      |
Sep 20 05:14:32.183 INFO kablam! note: lint level defined here
Sep 20 05:14:32.184 INFO kablam!     --> src/engine.rs:2809:12
Sep 20 05:14:32.184 INFO kablam!      |
Sep 20 05:14:32.184 INFO kablam! 2809 |     #[warn(unconditional_recursion)]
Sep 20 05:14:32.184 INFO kablam!      |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 05:14:32.184 INFO kablam!      = help: a `loop` may express intention better if this is on purpose
Sep 20 05:14:32.184 INFO kablam! 
Sep 20 05:14:35.699 INFO kablam! warning: unused import: `ListIntro`
Sep 20 05:14:35.699 INFO kablam!  --> benches/tries_bench.rs:5:49
Sep 20 05:14:35.699 INFO kablam!   |
Sep 20 05:14:35.699 INFO kablam! 5 | use adapton::catalog::collections::{Dir2, List, ListIntro, Tree, monoid_of_tree, tree_of_list};
Sep 20 05:14:35.699 INFO kablam!   |                                                 ^^^^^^^^^
Sep 20 05:14:35.699 INFO kablam!   |
Sep 20 05:14:35.699 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 05:14:35.699 INFO kablam! 
Sep 20 05:14:36.451 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.82s
Sep 20 05:14:36.456 INFO kablam! su: No module specific data is present
Sep 20 05:14:37.253 INFO running `"docker" "rm" "-f" "f6a82e3f2d16bbc17170afdbb356abeebfa27bde5f75734b3ec2b829dbc4bb35"`
Sep 20 05:14:37.330 INFO blam! f6a82e3f2d16bbc17170afdbb356abeebfa27bde5f75734b3ec2b829dbc4bb35