Dec 11 22:57:37.870 INFO checking aleozlx/alg-matching against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:57:37.870 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 22:57:38.213 INFO [stdout] 990e60457fd842a4adf452a631141031a197a154f75bed35edcd47f50ccc9b25
Dec 11 22:57:38.216 INFO running `"docker" "start" "-a" "990e60457fd842a4adf452a631141031a197a154f75bed35edcd47f50ccc9b25"`
Dec 11 22:57:40.764 INFO [stderr] usermod: no changes
Dec 11 22:57:40.860 INFO [stderr]     Checking alg-matching v0.1.0 (/source)
Dec 11 22:57:41.520 INFO [stderr] warning: unused macro definition
Dec 11 22:57:41.520 INFO [stderr]   --> src/main.rs:70:1
Dec 11 22:57:41.520 INFO [stderr]    |
Dec 11 22:57:41.520 INFO [stderr] 70 | / macro_rules! unweighted_graph(
Dec 11 22:57:41.520 INFO [stderr] 71 | |     { $($u:expr => [ $($v:expr),+ ]),+ } => {
Dec 11 22:57:41.520 INFO [stderr] 72 | |         {
Dec 11 22:57:41.520 INFO [stderr] 73 | |             let mut g = AdjGraph { adj: HashMap::new() };
Dec 11 22:57:41.520 INFO [stderr] ...  |
Dec 11 22:57:41.520 INFO [stderr] 79 | |     };
Dec 11 22:57:41.520 INFO [stderr] 80 | | );
Dec 11 22:57:41.520 INFO [stderr]    | |__^
Dec 11 22:57:41.520 INFO [stderr]    |
Dec 11 22:57:41.521 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 11 22:57:41.521 INFO [stderr] 
Dec 11 22:57:41.590 INFO [stderr] warning: unused variable: `f`
Dec 11 22:57:41.590 INFO [stderr]    --> src/main.rs:186:9
Dec 11 22:57:41.590 INFO [stderr]     |
Dec 11 22:57:41.590 INFO [stderr] 186 |     let f: AdjFlowI32<i32, FlowEdgeI32> = AdjFlowI32{ g: AdjGraph::new() };
Dec 11 22:57:41.590 INFO [stderr]     |         ^ help: consider using `_f` instead
Dec 11 22:57:41.590 INFO [stderr]     |
Dec 11 22:57:41.590 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 22:57:41.590 INFO [stderr] 
Dec 11 22:57:41.590 INFO [stderr] warning: unused variable: `res`
Dec 11 22:57:41.590 INFO [stderr]    --> src/main.rs:116:13
Dec 11 22:57:41.590 INFO [stderr]     |
Dec 11 22:57:41.590 INFO [stderr] 116 |         let res = self.residual_graph();
Dec 11 22:57:41.590 INFO [stderr]     |             ^^^ help: consider using `_res` instead
Dec 11 22:57:41.591 INFO [stderr] 
Dec 11 22:57:41.591 INFO [stderr] warning: unused variable: `s`
Dec 11 22:57:41.591 INFO [stderr]    --> src/main.rs:115:43
Dec 11 22:57:41.591 INFO [stderr]     |
Dec 11 22:57:41.591 INFO [stderr] 115 |     fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self {
Dec 11 22:57:41.591 INFO [stderr]     |                                           ^ help: consider using `_s` instead
Dec 11 22:57:41.591 INFO [stderr] 
Dec 11 22:57:41.591 INFO [stderr] warning: unused variable: `t`
Dec 11 22:57:41.591 INFO [stderr]    --> src/main.rs:115:53
Dec 11 22:57:41.591 INFO [stderr]     |
Dec 11 22:57:41.591 INFO [stderr] 115 |     fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self {
Dec 11 22:57:41.591 INFO [stderr]     |                                                     ^ help: consider using `_t` instead
Dec 11 22:57:41.591 INFO [stderr] 
Dec 11 22:57:41.873 INFO [stderr] warning: unused variable: `f`
Dec 11 22:57:41.873 INFO [stderr]    --> src/main.rs:186:9
Dec 11 22:57:41.873 INFO [stderr]     |
Dec 11 22:57:41.873 INFO [stderr] 186 |     let f: AdjFlowI32<i32, FlowEdgeI32> = AdjFlowI32{ g: AdjGraph::new() };
Dec 11 22:57:41.873 INFO [stderr]     |         ^ help: consider using `_f` instead
Dec 11 22:57:41.873 INFO [stderr]     |
Dec 11 22:57:41.873 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 22:57:41.873 INFO [stderr] 
Dec 11 22:57:41.873 INFO [stderr] warning: unused variable: `res`
Dec 11 22:57:41.873 INFO [stderr]    --> src/main.rs:116:13
Dec 11 22:57:41.873 INFO [stderr]     |
Dec 11 22:57:41.873 INFO [stderr] 116 |         let res = self.residual_graph();
Dec 11 22:57:41.873 INFO [stderr]     |             ^^^ help: consider using `_res` instead
Dec 11 22:57:41.873 INFO [stderr] 
Dec 11 22:57:41.873 INFO [stderr] warning: unused variable: `s`
Dec 11 22:57:41.873 INFO [stderr]    --> src/main.rs:115:43
Dec 11 22:57:41.874 INFO [stderr]     |
Dec 11 22:57:41.874 INFO [stderr] 115 |     fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self {
Dec 11 22:57:41.874 INFO [stderr]     |                                           ^ help: consider using `_s` instead
Dec 11 22:57:41.874 INFO [stderr] 
Dec 11 22:57:41.874 INFO [stderr] warning: unused variable: `t`
Dec 11 22:57:41.874 INFO [stderr]    --> src/main.rs:115:53
Dec 11 22:57:41.874 INFO [stderr]     |
Dec 11 22:57:41.874 INFO [stderr] 115 |     fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self {
Dec 11 22:57:41.874 INFO [stderr]     |                                                     ^ help: consider using `_t` instead
Dec 11 22:57:41.875 INFO [stderr] 
Dec 11 22:57:41.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 11 22:57:41.954 INFO [stderr] su: No module specific data is present
Dec 11 22:57:43.404 INFO running `"docker" "inspect" "990e60457fd842a4adf452a631141031a197a154f75bed35edcd47f50ccc9b25"`
Dec 11 22:57:43.780 INFO running `"docker" "rm" "-f" "990e60457fd842a4adf452a631141031a197a154f75bed35edcd47f50ccc9b25"`
Dec 11 22:57:44.136 INFO [stdout] 990e60457fd842a4adf452a631141031a197a154f75bed35edcd47f50ccc9b25