Oct 13 18:21:59.663 INFO checking adapton-0.3.30 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 18:21:59.664 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 18:22:00.084 INFO blam! a082b13b2ec18ac02828c5511374359e447331c113a50adbb644f877a151b185
Oct 13 18:22:00.087 INFO running `"docker" "start" "-a" "a082b13b2ec18ac02828c5511374359e447331c113a50adbb644f877a151b185"`
Oct 13 18:22:01.036 INFO kablam! usermod: no changes
Oct 13 18:22:01.104 INFO kablam!     Checking adapton v0.3.30 (/source)
Oct 13 18:22:02.572 INFO kablam! warning: unnecessary parentheses around function argument
Oct 13 18:22:02.572 INFO kablam!     --> src/catalog/collections.rs:1070:62
Oct 13 18:22:02.572 INFO kablam!      |
Oct 13 18:22:02.572 INFO kablam! 1070 |                ||mergesort_list_of_tree2::<_,_,_,List<_>>(t, (Some(name_of_usize(666)))));
Oct 13 18:22:02.572 INFO kablam!      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 18:22:02.572 INFO kablam!      |
Oct 13 18:22:02.572 INFO kablam!      = note: #[warn(unused_parens)] on by default
Oct 13 18:22:02.572 INFO kablam! 
Oct 13 18:22:07.236 INFO kablam! warning: function is never used: `explore_rec`
Oct 13 18:22:07.236 INFO kablam!     --> src/engine.rs:2810:5
Oct 13 18:22:07.236 INFO kablam!      |
Oct 13 18:22:07.236 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Oct 13 18:22:07.236 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:22:07.236 INFO kablam!      |
Oct 13 18:22:07.236 INFO kablam!      = note: #[warn(dead_code)] on by default
Oct 13 18:22:07.236 INFO kablam! 
Oct 13 18:22:07.544 INFO kablam! warning: function cannot return without recursing
Oct 13 18:22:07.544 INFO kablam!     --> src/engine.rs:2810:5
Oct 13 18:22:07.544 INFO kablam!      |
Oct 13 18:22:07.544 INFO kablam! 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Oct 13 18:22:07.544 INFO kablam!      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
Oct 13 18:22:07.544 INFO kablam! ...
Oct 13 18:22:07.544 INFO kablam! 2813 |         let mut av = explore_rec(a);
Oct 13 18:22:07.544 INFO kablam!      |                      -------------- recursive call site
Oct 13 18:22:07.572 INFO kablam!      |
Oct 13 18:22:07.572 INFO kablam! note: lint level defined here
Oct 13 18:22:07.572 INFO kablam!     --> src/engine.rs:2809:12
Oct 13 18:22:07.572 INFO kablam!      |
Oct 13 18:22:07.572 INFO kablam! 2809 |     #[warn(unconditional_recursion)]
Oct 13 18:22:07.572 INFO kablam!      |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:22:07.572 INFO kablam!      = help: a `loop` may express intention better if this is on purpose
Oct 13 18:22:07.572 INFO kablam! 
Oct 13 18:22:09.140 INFO kablam! warning: unused import: `ListIntro`
Oct 13 18:22:09.140 INFO kablam!  --> benches/tries_bench.rs:5:49
Oct 13 18:22:09.140 INFO kablam!   |
Oct 13 18:22:09.140 INFO kablam! 5 | use adapton::catalog::collections::{Dir2, List, ListIntro, Tree, monoid_of_tree, tree_of_list};
Oct 13 18:22:09.140 INFO kablam!   |                                                 ^^^^^^^^^
Oct 13 18:22:09.140 INFO kablam!   |
Oct 13 18:22:09.140 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 18:22:09.140 INFO kablam! 
Oct 13 18:22:09.404 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
Oct 13 18:22:09.410 INFO kablam! su: No module specific data is present
Oct 13 18:22:10.004 INFO running `"docker" "rm" "-f" "a082b13b2ec18ac02828c5511374359e447331c113a50adbb644f877a151b185"`
Oct 13 18:22:10.264 INFO blam! a082b13b2ec18ac02828c5511374359e447331c113a50adbb644f877a151b185