Dec 18 18:43:27.213 INFO checking adapton-0.3.30 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:43:27.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/adapton/0.3.30:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:43:27.454 INFO [stdout] 32a5882d6796b7a84728b395954d0e02e94e9f6bb7c049e9da7f3d5a2a84f64d
Dec 18 18:43:27.456 INFO running `"docker" "start" "-a" "32a5882d6796b7a84728b395954d0e02e94e9f6bb7c049e9da7f3d5a2a84f64d"`
Dec 18 18:43:28.711 INFO [stderr]     Checking adapton v0.3.30 (/opt/crater/workdir)
Dec 18 18:43:29.244 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 18:43:29.244 INFO [stderr]     --> src/catalog/collections.rs:1070:62
Dec 18 18:43:29.244 INFO [stderr]      |
Dec 18 18:43:29.244 INFO [stderr] 1070 |                ||mergesort_list_of_tree2::<_,_,_,List<_>>(t, (Some(name_of_usize(666)))));
Dec 18 18:43:29.244 INFO [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 18:43:29.244 INFO [stderr]      |
Dec 18 18:43:29.244 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 18 18:43:29.244 INFO [stderr] 
Dec 18 18:43:31.020 INFO [stderr] warning: function cannot return without recursing
Dec 18 18:43:31.020 INFO [stderr]     --> src/engine.rs:2810:5
Dec 18 18:43:31.020 INFO [stderr]      |
Dec 18 18:43:31.020 INFO [stderr] 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Dec 18 18:43:31.020 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
Dec 18 18:43:31.020 INFO [stderr] ...
Dec 18 18:43:31.020 INFO [stderr] 2813 |         let mut av = explore_rec(a);
Dec 18 18:43:31.020 INFO [stderr]      |                      -------------- recursive call site
Dec 18 18:43:31.020 INFO [stderr]      |
Dec 18 18:43:31.020 INFO [stderr] note: lint level defined here
Dec 18 18:43:31.020 INFO [stderr]     --> src/engine.rs:2809:12
Dec 18 18:43:31.020 INFO [stderr]      |
Dec 18 18:43:31.020 INFO [stderr] 2809 |     #[warn(unconditional_recursion)]
Dec 18 18:43:31.020 INFO [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:43:31.020 INFO [stderr]      = help: a `loop` may express intention better if this is on purpose
Dec 18 18:43:31.020 INFO [stderr] 
Dec 18 18:43:31.395 INFO [stderr] warning: function is never used: `explore_rec`
Dec 18 18:43:31.395 INFO [stderr]     --> src/engine.rs:2810:5
Dec 18 18:43:31.395 INFO [stderr]      |
Dec 18 18:43:31.395 INFO [stderr] 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Dec 18 18:43:31.396 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:43:31.396 INFO [stderr]      |
Dec 18 18:43:31.396 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 18 18:43:31.396 INFO [stderr] 
Dec 18 18:43:32.568 INFO [stderr] warning: unused import: `ListIntro`
Dec 18 18:43:32.568 INFO [stderr]  --> benches/tries_bench.rs:5:49
Dec 18 18:43:32.568 INFO [stderr]   |
Dec 18 18:43:32.568 INFO [stderr] 5 | use adapton::catalog::collections::{Dir2, List, ListIntro, Tree, monoid_of_tree, tree_of_list};
Dec 18 18:43:32.568 INFO [stderr]   |                                                 ^^^^^^^^^
Dec 18 18:43:32.568 INFO [stderr]   |
Dec 18 18:43:32.568 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 18:43:32.568 INFO [stderr] 
Dec 18 18:43:32.831 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
Dec 18 18:43:33.563 INFO running `"docker" "inspect" "32a5882d6796b7a84728b395954d0e02e94e9f6bb7c049e9da7f3d5a2a84f64d"`
Dec 18 18:43:33.932 INFO running `"docker" "rm" "-f" "32a5882d6796b7a84728b395954d0e02e94e9f6bb7c049e9da7f3d5a2a84f64d"`
Dec 18 18:43:34.225 INFO [stdout] 32a5882d6796b7a84728b395954d0e02e94e9f6bb7c049e9da7f3d5a2a84f64d