Dec 19 20:48:21.537 INFO checking aleozlx/alg-matching against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:48:21.537 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/aleozlx/alg-matching:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:48:22.130 INFO [stdout] 3aa3c2a3252009e961d66c6d3491b36ad16c1349d7f052fbb91b59417c6ef859
Dec 19 20:48:22.130 INFO running `"docker" "start" "-a" "3aa3c2a3252009e961d66c6d3491b36ad16c1349d7f052fbb91b59417c6ef859"`
Dec 19 20:48:23.389 INFO [stderr]     Checking alg-matching v0.1.0 (/opt/crater/workdir)
Dec 19 20:48:23.674 INFO [stderr] warning: unused macro definition
Dec 19 20:48:23.674 INFO [stderr]   --> src/main.rs:70:1
Dec 19 20:48:23.674 INFO [stderr]    |
Dec 19 20:48:23.674 INFO [stderr] 70 | / macro_rules! unweighted_graph(
Dec 19 20:48:23.674 INFO [stderr] 71 | |     { $($u:expr => [ $($v:expr),+ ]),+ } => {
Dec 19 20:48:23.674 INFO [stderr] 72 | |         {
Dec 19 20:48:23.674 INFO [stderr] 73 | |             let mut g = AdjGraph { adj: HashMap::new() };
Dec 19 20:48:23.674 INFO [stderr] ...  |
Dec 19 20:48:23.674 INFO [stderr] 79 | |     };
Dec 19 20:48:23.674 INFO [stderr] 80 | | );
Dec 19 20:48:23.674 INFO [stderr]    | |__^
Dec 19 20:48:23.674 INFO [stderr]    |
Dec 19 20:48:23.674 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 19 20:48:23.674 INFO [stderr] 
Dec 19 20:48:23.782 INFO [stderr] warning: unused variable: `f`
Dec 19 20:48:23.782 INFO [stderr]    --> src/main.rs:186:9
Dec 19 20:48:23.782 INFO [stderr]     |
Dec 19 20:48:23.782 INFO [stderr] 186 |     let f: AdjFlowI32<i32, FlowEdgeI32> = AdjFlowI32{ g: AdjGraph::new() };
Dec 19 20:48:23.782 INFO [stderr]     |         ^ help: consider using `_f` instead
Dec 19 20:48:23.782 INFO [stderr]     |
Dec 19 20:48:23.782 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 20:48:23.782 INFO [stderr] 
Dec 19 20:48:23.782 INFO [stderr] warning: unused variable: `res`
Dec 19 20:48:23.782 INFO [stderr]    --> src/main.rs:116:13
Dec 19 20:48:23.783 INFO [stderr]     |
Dec 19 20:48:23.783 INFO [stderr] 116 |         let res = self.residual_graph();
Dec 19 20:48:23.783 INFO [stderr]     |             ^^^ help: consider using `_res` instead
Dec 19 20:48:23.783 INFO [stderr] 
Dec 19 20:48:23.783 INFO [stderr] warning: unused variable: `s`
Dec 19 20:48:23.783 INFO [stderr]    --> src/main.rs:115:43
Dec 19 20:48:23.783 INFO [stderr]     |
Dec 19 20:48:23.783 INFO [stderr] 115 |     fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self {
Dec 19 20:48:23.783 INFO [stderr]     |                                           ^ help: consider using `_s` instead
Dec 19 20:48:23.783 INFO [stderr] 
Dec 19 20:48:23.783 INFO [stderr] warning: unused variable: `t`
Dec 19 20:48:23.783 INFO [stderr]    --> src/main.rs:115:53
Dec 19 20:48:23.783 INFO [stderr]     |
Dec 19 20:48:23.783 INFO [stderr] 115 |     fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self {
Dec 19 20:48:23.783 INFO [stderr]     |                                                     ^ help: consider using `_t` instead
Dec 19 20:48:23.783 INFO [stderr] 
Dec 19 20:48:23.862 INFO [stderr] warning: unused variable: `f`
Dec 19 20:48:23.862 INFO [stderr]    --> src/main.rs:186:9
Dec 19 20:48:23.862 INFO [stderr]     |
Dec 19 20:48:23.862 INFO [stderr] 186 |     let f: AdjFlowI32<i32, FlowEdgeI32> = AdjFlowI32{ g: AdjGraph::new() };
Dec 19 20:48:23.862 INFO [stderr]     |         ^ help: consider using `_f` instead
Dec 19 20:48:23.862 INFO [stderr]     |
Dec 19 20:48:23.862 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 20:48:23.863 INFO [stderr] 
Dec 19 20:48:23.863 INFO [stderr] warning: unused variable: `res`
Dec 19 20:48:23.863 INFO [stderr]    --> src/main.rs:116:13
Dec 19 20:48:23.863 INFO [stderr]     |
Dec 19 20:48:23.863 INFO [stderr] 116 |         let res = self.residual_graph();
Dec 19 20:48:23.863 INFO [stderr]     |             ^^^ help: consider using `_res` instead
Dec 19 20:48:23.863 INFO [stderr] 
Dec 19 20:48:23.863 INFO [stderr] warning: unused variable: `s`
Dec 19 20:48:23.863 INFO [stderr]    --> src/main.rs:115:43
Dec 19 20:48:23.863 INFO [stderr]     |
Dec 19 20:48:23.863 INFO [stderr] 115 |     fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self {
Dec 19 20:48:23.863 INFO [stderr]     |                                           ^ help: consider using `_s` instead
Dec 19 20:48:23.863 INFO [stderr] 
Dec 19 20:48:23.863 INFO [stderr] warning: unused variable: `t`
Dec 19 20:48:23.863 INFO [stderr]    --> src/main.rs:115:53
Dec 19 20:48:23.863 INFO [stderr]     |
Dec 19 20:48:23.863 INFO [stderr] 115 |     fn edmonds_karp_maxflow<'g>(&'g self, s: &'g V, t: &'g V) -> Self {
Dec 19 20:48:23.863 INFO [stderr]     |                                                     ^ help: consider using `_t` instead
Dec 19 20:48:23.863 INFO [stderr] 
Dec 19 20:48:23.935 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 19 20:48:25.062 INFO running `"docker" "inspect" "3aa3c2a3252009e961d66c6d3491b36ad16c1349d7f052fbb91b59417c6ef859"`
Dec 19 20:48:25.366 INFO running `"docker" "rm" "-f" "3aa3c2a3252009e961d66c6d3491b36ad16c1349d7f052fbb91b59417c6ef859"`
Dec 19 20:48:25.669 INFO [stdout] 3aa3c2a3252009e961d66c6d3491b36ad16c1349d7f052fbb91b59417c6ef859