Nov 29 19:54:08.481 INFO checking remexre/datalog against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 19:54:08.481 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 19:54:09.150 INFO [stdout] 2d3d99e7f1e1e7e882d15df7b2408976e255ab8be595bab25c33c5c739f1f43e
Nov 29 19:54:09.152 INFO running `"docker" "start" "-a" "2d3d99e7f1e1e7e882d15df7b2408976e255ab8be595bab25c33c5c739f1f43e"`
Nov 29 19:54:11.556 INFO [stderr] usermod: no changes
Nov 29 19:54:11.776 INFO [stderr]     Checking bytecount v0.1.7
Nov 29 19:54:11.776 INFO [stderr]    Compiling pest v1.0.2
Nov 29 19:54:11.776 INFO [stderr]     Checking spin v0.4.6
Nov 29 19:54:11.792 INFO [stderr]     Checking try_opt v0.1.1
Nov 29 19:54:11.798 INFO [stderr]     Checking itertools v0.7.6
Nov 29 19:54:11.799 INFO [stderr]     Checking proptest v0.4.2
Nov 29 19:54:11.799 INFO [stderr]     Checking regex v0.2.5
Nov 29 19:54:13.072 INFO [stderr]     Checking error-chain v0.11.0
Nov 29 19:54:13.140 INFO [stderr]     Checking symbol v0.1.1
Nov 29 19:54:13.882 INFO [stderr]     Checking liner v0.4.4
Nov 29 19:54:16.873 INFO [stderr]    Compiling pest_derive v1.0.2
Nov 29 19:54:20.748 INFO [stderr]     Checking sparkly v0.1.4
Nov 29 19:54:30.606 INFO [stderr]     Checking datalog v0.1.0 (/source)
Nov 29 19:54:32.315 INFO [stderr] warning: unused variable: `lv`
Nov 29 19:54:32.315 INFO [stderr]   --> src/ast/pattern_match.rs:32:24
Nov 29 19:54:32.316 INFO [stderr]    |
Nov 29 19:54:32.316 INFO [stderr] 32 |             (Term::Var(lv), Term::Var(rv)) => {}
Nov 29 19:54:32.316 INFO [stderr]    |                        ^^ help: consider using `_lv` instead
Nov 29 19:54:32.317 INFO [stderr]    |
Nov 29 19:54:32.317 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 19:54:32.318 INFO [stderr] 
Nov 29 19:54:32.318 INFO [stderr] warning: unused variable: `rv`
Nov 29 19:54:32.318 INFO [stderr]   --> src/ast/pattern_match.rs:32:39
Nov 29 19:54:32.319 INFO [stderr]    |
Nov 29 19:54:32.319 INFO [stderr] 32 |             (Term::Var(lv), Term::Var(rv)) => {}
Nov 29 19:54:32.319 INFO [stderr]    |                                       ^^ help: consider using `_rv` instead
Nov 29 19:54:32.320 INFO [stderr] 
Nov 29 19:54:32.324 INFO [stderr] warning: unused variable: `other`
Nov 29 19:54:32.324 INFO [stderr]  --> src/ast/eq.rs:5:28
Nov 29 19:54:32.325 INFO [stderr]   |
Nov 29 19:54:32.325 INFO [stderr] 5 |     pub fn alpha_eq(&self, other: &Clause) -> bool {
Nov 29 19:54:32.325 INFO [stderr]   |                            ^^^^^ help: consider using `_other` instead
Nov 29 19:54:32.325 INFO [stderr] 
Nov 29 19:54:32.326 INFO [stderr] warning: unused variable: `body`
Nov 29 19:54:32.326 INFO [stderr]    --> src/ast/mod.rs:119:26
Nov 29 19:54:32.327 INFO [stderr]     |
Nov 29 19:54:32.327 INFO [stderr] 119 |         let Clause(head, body) = self.clone();
Nov 29 19:54:32.327 INFO [stderr]     |                          ^^^^ help: consider using `_body` instead
Nov 29 19:54:32.327 INFO [stderr] 
Nov 29 19:54:32.328 INFO [stderr] warning: unused variable: `name`
Nov 29 19:54:32.328 INFO [stderr]    --> src/ast/mod.rs:123:21
Nov 29 19:54:32.328 INFO [stderr]     |
Nov 29 19:54:32.328 INFO [stderr] 123 |         let Literal(name, mut hargs) = head;
Nov 29 19:54:32.328 INFO [stderr]     |                     ^^^^ help: consider using `_name` instead
Nov 29 19:54:32.328 INFO [stderr] 
Nov 29 19:54:32.329 INFO [stderr] warning: unused variable: `clause`
Nov 29 19:54:32.329 INFO [stderr]    --> src/naive/mod.rs:103:34
Nov 29 19:54:32.329 INFO [stderr]     |
Nov 29 19:54:32.329 INFO [stderr] 103 |     fn run_retraction(&mut self, clause: Clause) -> Result<()> {
Nov 29 19:54:32.329 INFO [stderr]     |                                  ^^^^^^ help: consider using `_clause` instead
Nov 29 19:54:32.329 INFO [stderr] 
Nov 29 19:54:32.708 INFO [stderr] warning: function is never used: `entry_fn`
Nov 29 19:54:32.708 INFO [stderr]   --> src/util.rs:7:1
Nov 29 19:54:32.708 INFO [stderr]    |
Nov 29 19:54:32.708 INFO [stderr] 7  | / pub fn entry_fn<F, K, V>(map: &mut HashMap<K, V>, key: K, f: F)
Nov 29 19:54:32.708 INFO [stderr] 8  | | where
Nov 29 19:54:32.708 INFO [stderr] 9  | |     F: FnOnce(&K, Option<V>) -> Option<V>,
Nov 29 19:54:32.708 INFO [stderr] 10 | |     K: Eq + Hash,
Nov 29 19:54:32.708 INFO [stderr] ...  |
Nov 29 19:54:32.724 INFO [stderr] 15 | |     }
Nov 29 19:54:32.724 INFO [stderr] 16 | | }
Nov 29 19:54:32.724 INFO [stderr]    | |_^
Nov 29 19:54:32.724 INFO [stderr]    |
Nov 29 19:54:32.724 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 19:54:32.724 INFO [stderr] 
Nov 29 19:54:37.338 INFO [stderr] warning: unused variable: `lv`
Nov 29 19:54:37.339 INFO [stderr]   --> src/ast/pattern_match.rs:32:24
Nov 29 19:54:37.339 INFO [stderr]    |
Nov 29 19:54:37.339 INFO [stderr] 32 |             (Term::Var(lv), Term::Var(rv)) => {}
Nov 29 19:54:37.339 INFO [stderr]    |                        ^^ help: consider using `_lv` instead
Nov 29 19:54:37.339 INFO [stderr]    |
Nov 29 19:54:37.339 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 19:54:37.339 INFO [stderr] 
Nov 29 19:54:37.339 INFO [stderr] warning: unused variable: `rv`
Nov 29 19:54:37.339 INFO [stderr]   --> src/ast/pattern_match.rs:32:39
Nov 29 19:54:37.339 INFO [stderr]    |
Nov 29 19:54:37.339 INFO [stderr] 32 |             (Term::Var(lv), Term::Var(rv)) => {}
Nov 29 19:54:37.339 INFO [stderr]    |                                       ^^ help: consider using `_rv` instead
Nov 29 19:54:37.339 INFO [stderr] 
Nov 29 19:54:37.384 INFO [stderr] warning: unused variable: `other`
Nov 29 19:54:37.384 INFO [stderr]  --> src/ast/eq.rs:5:28
Nov 29 19:54:37.384 INFO [stderr]   |
Nov 29 19:54:37.384 INFO [stderr] 5 |     pub fn alpha_eq(&self, other: &Clause) -> bool {
Nov 29 19:54:37.384 INFO [stderr]   |                            ^^^^^ help: consider using `_other` instead
Nov 29 19:54:37.384 INFO [stderr] 
Nov 29 19:54:37.384 INFO [stderr] warning: unused variable: `body`
Nov 29 19:54:37.384 INFO [stderr]    --> src/ast/mod.rs:119:26
Nov 29 19:54:37.384 INFO [stderr]     |
Nov 29 19:54:37.384 INFO [stderr] 119 |         let Clause(head, body) = self.clone();
Nov 29 19:54:37.384 INFO [stderr]     |                          ^^^^ help: consider using `_body` instead
Nov 29 19:54:37.384 INFO [stderr] 
Nov 29 19:54:37.384 INFO [stderr] warning: unused variable: `name`
Nov 29 19:54:37.384 INFO [stderr]    --> src/ast/mod.rs:123:21
Nov 29 19:54:37.384 INFO [stderr]     |
Nov 29 19:54:37.384 INFO [stderr] 123 |         let Literal(name, mut hargs) = head;
Nov 29 19:54:37.384 INFO [stderr]     |                     ^^^^ help: consider using `_name` instead
Nov 29 19:54:37.384 INFO [stderr] 
Nov 29 19:54:37.384 INFO [stderr] warning: unused variable: `clause`
Nov 29 19:54:37.384 INFO [stderr]    --> src/naive/mod.rs:103:34
Nov 29 19:54:37.384 INFO [stderr]     |
Nov 29 19:54:37.384 INFO [stderr] 103 |     fn run_retraction(&mut self, clause: Clause) -> Result<()> {
Nov 29 19:54:37.384 INFO [stderr]     |                                  ^^^^^^ help: consider using `_clause` instead
Nov 29 19:54:37.384 INFO [stderr] 
Nov 29 19:54:38.480 INFO [stderr] warning: function is never used: `entry_fn`
Nov 29 19:54:38.480 INFO [stderr]   --> src/util.rs:7:1
Nov 29 19:54:38.480 INFO [stderr]    |
Nov 29 19:54:38.480 INFO [stderr] 7  | / pub fn entry_fn<F, K, V>(map: &mut HashMap<K, V>, key: K, f: F)
Nov 29 19:54:38.480 INFO [stderr] 8  | | where
Nov 29 19:54:38.480 INFO [stderr] 9  | |     F: FnOnce(&K, Option<V>) -> Option<V>,
Nov 29 19:54:38.480 INFO [stderr] 10 | |     K: Eq + Hash,
Nov 29 19:54:38.480 INFO [stderr] ...  |
Nov 29 19:54:38.480 INFO [stderr] 15 | |     }
Nov 29 19:54:38.480 INFO [stderr] 16 | | }
Nov 29 19:54:38.480 INFO [stderr]    | |_^
Nov 29 19:54:38.480 INFO [stderr]    |
Nov 29 19:54:38.480 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 19:54:38.480 INFO [stderr] 
Nov 29 19:54:38.630 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.05s
Nov 29 19:54:38.638 INFO [stderr] su: No module specific data is present
Nov 29 19:54:39.478 INFO running `"docker" "inspect" "2d3d99e7f1e1e7e882d15df7b2408976e255ab8be595bab25c33c5c739f1f43e"`
Nov 29 19:54:39.630 INFO running `"docker" "rm" "-f" "2d3d99e7f1e1e7e882d15df7b2408976e255ab8be595bab25c33c5c739f1f43e"`
Nov 29 19:54:39.912 INFO [stdout] 2d3d99e7f1e1e7e882d15df7b2408976e255ab8be595bab25c33c5c739f1f43e