Dec 18 18:40:52.324 INFO checking ai_kit-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:40:52.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/ai_kit/0.1.0:/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 18:40:52.588 INFO [stdout] 13eef3af7f7d7a98d79666befd4746ee8a91df88ecd20d66cc9dd2bab603f12c
Dec 18 18:40:52.594 INFO running `"docker" "start" "-a" "13eef3af7f7d7a98d79666befd4746ee8a91df88ecd20d66cc9dd2bab603f12c"`
Dec 18 18:40:53.529 INFO [stderr]    Compiling pulldown-cmark v0.0.15
Dec 18 18:40:55.436 INFO [stderr]     Checking skeptic v0.11.0
Dec 18 18:41:01.672 INFO [stderr]    Compiling ai_kit v0.1.0 (/opt/crater/workdir)
Dec 18 18:41:06.524 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 18:41:06.524 INFO [stderr]   --> src/datum/mod.rs:47:45
Dec 18 18:41:06.524 INFO [stderr]    |
Dec 18 18:41:06.524 INFO [stderr] 47 |             Datum::Int(ref i_value) => Some((i_value.clone() as f64)),
Dec 18 18:41:06.524 INFO [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 18:41:06.524 INFO [stderr]    |
Dec 18 18:41:06.524 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 18:41:06.524 INFO [stderr] 
Dec 18 18:41:06.524 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 18:41:06.524 INFO [stderr]   --> src/pedigree/mod.rs:83:115
Dec 18 18:41:06.524 INFO [stderr]    |
Dec 18 18:41:06.524 INFO [stderr] 83 |                 Some((construct_id_origin_tuples_for_generation(generation), self.inf_graph.subsequent_inferences((generation_idx + 1))))
Dec 18 18:41:06.524 INFO [stderr]    |                                                                                                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 18:41:06.524 INFO [stderr] 
Dec 18 18:41:06.524 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 18:41:06.524 INFO [stderr]    --> src/pedigree/mod.rs:136:9
Dec 18 18:41:06.524 INFO [stderr]     |
Dec 18 18:41:06.524 INFO [stderr] 136 |         /// Return unify derived from this one
Dec 18 18:41:06.524 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:41:06.524 INFO [stderr]     |
Dec 18 18:41:06.524 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 18 18:41:06.524 INFO [stderr] 
Dec 18 18:41:06.524 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 18:41:06.524 INFO [stderr]    --> src/pedigree/mod.rs:141:9
Dec 18 18:41:06.524 INFO [stderr]     |
Dec 18 18:41:06.524 INFO [stderr] 141 |         /// Return all unify derived in and after the specified generation
Dec 18 18:41:06.524 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:41:06.524 INFO [stderr] 
Dec 18 18:41:07.702 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 18:41:07.703 INFO [stderr]   --> src/datum/mod.rs:47:45
Dec 18 18:41:07.703 INFO [stderr]    |
Dec 18 18:41:07.703 INFO [stderr] 47 |             Datum::Int(ref i_value) => Some((i_value.clone() as f64)),
Dec 18 18:41:07.703 INFO [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 18:41:07.703 INFO [stderr]    |
Dec 18 18:41:07.703 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 18:41:07.703 INFO [stderr] 
Dec 18 18:41:07.703 INFO [stderr] warning: unused import: `std::str`
Dec 18 18:41:07.703 INFO [stderr]  --> src/datum/tests.rs:3:5
Dec 18 18:41:07.703 INFO [stderr]   |
Dec 18 18:41:07.704 INFO [stderr] 3 | use std::str;
Dec 18 18:41:07.704 INFO [stderr]   |     ^^^^^^^^
Dec 18 18:41:07.704 INFO [stderr]   |
Dec 18 18:41:07.704 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 18:41:07.704 INFO [stderr] 
Dec 18 18:41:07.705 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 18:41:07.705 INFO [stderr]   --> src/pedigree/mod.rs:83:115
Dec 18 18:41:07.705 INFO [stderr]    |
Dec 18 18:41:07.705 INFO [stderr] 83 |                 Some((construct_id_origin_tuples_for_generation(generation), self.inf_graph.subsequent_inferences((generation_idx + 1))))
Dec 18 18:41:07.705 INFO [stderr]    |                                                                                                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 18:41:07.705 INFO [stderr] 
Dec 18 18:41:07.705 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 18:41:07.705 INFO [stderr]    --> src/pedigree/mod.rs:136:9
Dec 18 18:41:07.705 INFO [stderr]     |
Dec 18 18:41:07.705 INFO [stderr] 136 |         /// Return unify derived from this one
Dec 18 18:41:07.705 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:41:07.706 INFO [stderr]     |
Dec 18 18:41:07.706 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 18 18:41:07.706 INFO [stderr] 
Dec 18 18:41:07.706 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 18:41:07.706 INFO [stderr]    --> src/pedigree/mod.rs:141:9
Dec 18 18:41:07.706 INFO [stderr]     |
Dec 18 18:41:07.706 INFO [stderr] 141 |         /// Return all unify derived in and after the specified generation
Dec 18 18:41:07.706 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:41:07.706 INFO [stderr] 
Dec 18 18:41:08.446 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:41:08.446 INFO [stderr]    --> src/pedigree/mod.rs:286:13
Dec 18 18:41:08.446 INFO [stderr]     |
Dec 18 18:41:08.446 INFO [stderr] 286 |         let mut inner_descendents = self.descendents.get_mut(&source_id).unwrap();
Dec 18 18:41:08.446 INFO [stderr]     |             ----^^^^^^^^^^^^^^^^^
Dec 18 18:41:08.446 INFO [stderr]     |             |
Dec 18 18:41:08.446 INFO [stderr]     |             help: remove this `mut`
Dec 18 18:41:08.446 INFO [stderr]     |
Dec 18 18:41:08.446 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 18:41:08.446 INFO [stderr] 
Dec 18 18:41:10.941 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:41:10.941 INFO [stderr]    --> src/pedigree/mod.rs:286:13
Dec 18 18:41:10.941 INFO [stderr]     |
Dec 18 18:41:10.941 INFO [stderr] 286 |         let mut inner_descendents = self.descendents.get_mut(&source_id).unwrap();
Dec 18 18:41:10.941 INFO [stderr]     |             ----^^^^^^^^^^^^^^^^^
Dec 18 18:41:10.941 INFO [stderr]     |             |
Dec 18 18:41:10.941 INFO [stderr]     |             help: remove this `mut`
Dec 18 18:41:10.941 INFO [stderr]     |
Dec 18 18:41:10.941 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 18:41:10.941 INFO [stderr] 
Dec 18 18:41:11.499 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.10s
Dec 18 18:41:11.705 INFO running `"docker" "inspect" "13eef3af7f7d7a98d79666befd4746ee8a91df88ecd20d66cc9dd2bab603f12c"`
Dec 18 18:41:11.809 INFO running `"docker" "rm" "-f" "13eef3af7f7d7a98d79666befd4746ee8a91df88ecd20d66cc9dd2bab603f12c"`
Dec 18 18:41:11.882 INFO [stdout] 13eef3af7f7d7a98d79666befd4746ee8a91df88ecd20d66cc9dd2bab603f12c