Dec 05 16:53:55.698 INFO checking ai_kit-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:53:55.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 16:53:56.199 INFO [stdout] 3a5e3f522545785f4039d7052c0252e41bf5a3b6120b886ce414d9f8d9100c42
Dec 05 16:53:56.201 INFO running `"docker" "start" "-a" "3a5e3f522545785f4039d7052c0252e41bf5a3b6120b886ce414d9f8d9100c42"`
Dec 05 16:53:57.820 INFO [stderr] usermod: no changes
Dec 05 16:53:58.083 INFO [stderr]    Compiling pulldown-cmark v0.0.15
Dec 05 16:53:58.087 INFO [stderr]     Checking error-chain v0.10.0
Dec 05 16:54:00.963 INFO [stderr]     Checking skeptic v0.11.0
Dec 05 16:54:06.616 INFO [stderr]    Compiling ai_kit v0.1.0 (/source)
Dec 05 16:54:12.899 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 16:54:12.899 INFO [stderr]   --> src/datum/mod.rs:47:45
Dec 05 16:54:12.899 INFO [stderr]    |
Dec 05 16:54:12.899 INFO [stderr] 47 |             Datum::Int(ref i_value) => Some((i_value.clone() as f64)),
Dec 05 16:54:12.899 INFO [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 16:54:12.899 INFO [stderr]    |
Dec 05 16:54:12.899 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 05 16:54:12.899 INFO [stderr] 
Dec 05 16:54:12.899 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 05 16:54:12.899 INFO [stderr]   --> src/pedigree/mod.rs:83:115
Dec 05 16:54:12.899 INFO [stderr]    |
Dec 05 16:54:12.899 INFO [stderr] 83 |                 Some((construct_id_origin_tuples_for_generation(generation), self.inf_graph.subsequent_inferences((generation_idx + 1))))
Dec 05 16:54:12.899 INFO [stderr]    |                                                                                                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 16:54:12.899 INFO [stderr] 
Dec 05 16:54:12.899 INFO [stderr] warning: doc comment not used by rustdoc
Dec 05 16:54:12.899 INFO [stderr]    --> src/pedigree/mod.rs:136:9
Dec 05 16:54:12.899 INFO [stderr]     |
Dec 05 16:54:12.899 INFO [stderr] 136 |         /// Return unify derived from this one
Dec 05 16:54:12.899 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:54:12.899 INFO [stderr]     |
Dec 05 16:54:12.899 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 05 16:54:12.899 INFO [stderr] 
Dec 05 16:54:12.899 INFO [stderr] warning: doc comment not used by rustdoc
Dec 05 16:54:12.899 INFO [stderr]    --> src/pedigree/mod.rs:141:9
Dec 05 16:54:12.899 INFO [stderr]     |
Dec 05 16:54:12.899 INFO [stderr] 141 |         /// Return all unify derived in and after the specified generation
Dec 05 16:54:12.899 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:54:12.899 INFO [stderr] 
Dec 05 16:54:14.028 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 16:54:14.028 INFO [stderr]   --> src/datum/mod.rs:47:45
Dec 05 16:54:14.028 INFO [stderr]    |
Dec 05 16:54:14.028 INFO [stderr] 47 |             Datum::Int(ref i_value) => Some((i_value.clone() as f64)),
Dec 05 16:54:14.028 INFO [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 16:54:14.028 INFO [stderr]    |
Dec 05 16:54:14.028 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 05 16:54:14.028 INFO [stderr] 
Dec 05 16:54:14.028 INFO [stderr] warning: unused import: `std::str`
Dec 05 16:54:14.028 INFO [stderr]  --> src/datum/tests.rs:3:5
Dec 05 16:54:14.028 INFO [stderr]   |
Dec 05 16:54:14.028 INFO [stderr] 3 | use std::str;
Dec 05 16:54:14.028 INFO [stderr]   |     ^^^^^^^^
Dec 05 16:54:14.028 INFO [stderr]   |
Dec 05 16:54:14.028 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 16:54:14.028 INFO [stderr] 
Dec 05 16:54:14.034 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 05 16:54:14.034 INFO [stderr]   --> src/pedigree/mod.rs:83:115
Dec 05 16:54:14.034 INFO [stderr]    |
Dec 05 16:54:14.034 INFO [stderr] 83 |                 Some((construct_id_origin_tuples_for_generation(generation), self.inf_graph.subsequent_inferences((generation_idx + 1))))
Dec 05 16:54:14.034 INFO [stderr]    |                                                                                                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 16:54:14.034 INFO [stderr] 
Dec 05 16:54:14.034 INFO [stderr] warning: doc comment not used by rustdoc
Dec 05 16:54:14.034 INFO [stderr]    --> src/pedigree/mod.rs:136:9
Dec 05 16:54:14.034 INFO [stderr]     |
Dec 05 16:54:14.034 INFO [stderr] 136 |         /// Return unify derived from this one
Dec 05 16:54:14.034 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:54:14.034 INFO [stderr]     |
Dec 05 16:54:14.034 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 05 16:54:14.034 INFO [stderr] 
Dec 05 16:54:14.034 INFO [stderr] warning: doc comment not used by rustdoc
Dec 05 16:54:14.034 INFO [stderr]    --> src/pedigree/mod.rs:141:9
Dec 05 16:54:14.034 INFO [stderr]     |
Dec 05 16:54:14.034 INFO [stderr] 141 |         /// Return all unify derived in and after the specified generation
Dec 05 16:54:14.034 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:54:14.034 INFO [stderr] 
Dec 05 16:54:15.063 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:54:15.063 INFO [stderr]    --> src/pedigree/mod.rs:286:13
Dec 05 16:54:15.063 INFO [stderr]     |
Dec 05 16:54:15.063 INFO [stderr] 286 |         let mut inner_descendents = self.descendents.get_mut(&source_id).unwrap();
Dec 05 16:54:15.063 INFO [stderr]     |             ----^^^^^^^^^^^^^^^^^
Dec 05 16:54:15.063 INFO [stderr]     |             |
Dec 05 16:54:15.063 INFO [stderr]     |             help: remove this `mut`
Dec 05 16:54:15.063 INFO [stderr]     |
Dec 05 16:54:15.063 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:54:15.063 INFO [stderr] 
Dec 05 16:54:17.179 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:54:17.179 INFO [stderr]    --> src/pedigree/mod.rs:286:13
Dec 05 16:54:17.179 INFO [stderr]     |
Dec 05 16:54:17.179 INFO [stderr] 286 |         let mut inner_descendents = self.descendents.get_mut(&source_id).unwrap();
Dec 05 16:54:17.179 INFO [stderr]     |             ----^^^^^^^^^^^^^^^^^
Dec 05 16:54:17.179 INFO [stderr]     |             |
Dec 05 16:54:17.179 INFO [stderr]     |             help: remove this `mut`
Dec 05 16:54:17.179 INFO [stderr]     |
Dec 05 16:54:17.179 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:54:17.179 INFO [stderr] 
Dec 05 16:54:17.999 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.16s
Dec 05 16:54:18.015 INFO [stderr] su: No module specific data is present
Dec 05 16:54:21.523 INFO running `"docker" "inspect" "3a5e3f522545785f4039d7052c0252e41bf5a3b6120b886ce414d9f8d9100c42"`
Dec 05 16:54:21.744 INFO running `"docker" "rm" "-f" "3a5e3f522545785f4039d7052c0252e41bf5a3b6120b886ce414d9f8d9100c42"`
Dec 05 16:54:21.905 INFO [stdout] 3a5e3f522545785f4039d7052c0252e41bf5a3b6120b886ce414d9f8d9100c42