Dec 18 18:43:29.272 INFO checking adapton-0.3.30 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:43:29.272 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:43:29.642 INFO [stdout] ebb8ec11e3ece763aa035b04c90b8339dcd08d7b02678d6a7fcfdc090c21bb65
Dec 18 18:43:29.644 INFO running `"docker" "start" "-a" "ebb8ec11e3ece763aa035b04c90b8339dcd08d7b02678d6a7fcfdc090c21bb65"`
Dec 18 18:43:30.550 INFO [stderr]     Checking adapton v0.3.30 (/opt/crater/workdir)
Dec 18 18:43:31.146 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 18:43:31.147 INFO [stderr]     --> src/catalog/collections.rs:1070:62
Dec 18 18:43:31.147 INFO [stderr]      |
Dec 18 18:43:31.147 INFO [stderr] 1070 |                ||mergesort_list_of_tree2::<_,_,_,List<_>>(t, (Some(name_of_usize(666)))));
Dec 18 18:43:31.147 INFO [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 18:43:31.152 INFO [stderr]      |
Dec 18 18:43:31.152 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 18 18:43:31.152 INFO [stderr] 
Dec 18 18:43:32.868 INFO [stderr] warning: function cannot return without recursing
Dec 18 18:43:32.868 INFO [stderr]     --> src/engine.rs:2810:5
Dec 18 18:43:32.868 INFO [stderr]      |
Dec 18 18:43:32.868 INFO [stderr] 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Dec 18 18:43:32.868 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
Dec 18 18:43:32.868 INFO [stderr] ...
Dec 18 18:43:32.868 INFO [stderr] 2813 |         let mut av = explore_rec(a);
Dec 18 18:43:32.868 INFO [stderr]      |                      -------------- recursive call site
Dec 18 18:43:32.868 INFO [stderr]      |
Dec 18 18:43:32.868 INFO [stderr] note: lint level defined here
Dec 18 18:43:32.868 INFO [stderr]     --> src/engine.rs:2809:12
Dec 18 18:43:32.868 INFO [stderr]      |
Dec 18 18:43:32.868 INFO [stderr] 2809 |     #[warn(unconditional_recursion)]
Dec 18 18:43:32.868 INFO [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:43:32.868 INFO [stderr]      = help: a `loop` may express intention better if this is on purpose
Dec 18 18:43:32.868 INFO [stderr] 
Dec 18 18:43:33.267 INFO [stderr] warning: function is never used: `explore_rec`
Dec 18 18:43:33.267 INFO [stderr]     --> src/engine.rs:2810:5
Dec 18 18:43:33.267 INFO [stderr]      |
Dec 18 18:43:33.267 INFO [stderr] 2810 |     fn explore_rec(cur_n:usize) -> Vec<usize> {
Dec 18 18:43:33.267 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:43:33.267 INFO [stderr]      |
Dec 18 18:43:33.267 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 18 18:43:33.267 INFO [stderr] 
Dec 18 18:43:34.696 INFO [stderr] warning: unused import: `ListIntro`
Dec 18 18:43:34.696 INFO [stderr]  --> benches/tries_bench.rs:5:49
Dec 18 18:43:34.696 INFO [stderr]   |
Dec 18 18:43:34.696 INFO [stderr] 5 | use adapton::catalog::collections::{Dir2, List, ListIntro, Tree, monoid_of_tree, tree_of_list};
Dec 18 18:43:34.696 INFO [stderr]   |                                                 ^^^^^^^^^
Dec 18 18:43:34.696 INFO [stderr]   |
Dec 18 18:43:34.696 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 18:43:34.696 INFO [stderr] 
Dec 18 18:43:34.872 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
Dec 18 18:43:35.154 INFO running `"docker" "inspect" "ebb8ec11e3ece763aa035b04c90b8339dcd08d7b02678d6a7fcfdc090c21bb65"`
Dec 18 18:43:35.256 INFO running `"docker" "rm" "-f" "ebb8ec11e3ece763aa035b04c90b8339dcd08d7b02678d6a7fcfdc090c21bb65"`
Dec 18 18:43:35.351 INFO [stdout] ebb8ec11e3ece763aa035b04c90b8339dcd08d7b02678d6a7fcfdc090c21bb65