Dec 15 09:39:15.603 INFO testing graphsearch-0.6.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 09:39:15.603 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 15 09:39:15.815 INFO [stdout] 2e4c021334881d22d68ce757f31b4d93108a979774571c653217ca1971c96584
Dec 15 09:39:15.820 INFO running `"docker" "start" "-a" "2e4c021334881d22d68ce757f31b4d93108a979774571c653217ca1971c96584"`
Dec 15 09:39:16.294 INFO [stderr] usermod: no changes
Dec 15 09:39:16.347 INFO [stderr]    Compiling graphsearch v0.6.0 (/source)
Dec 15 09:39:16.747 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:16.747 INFO [stderr]    --> src/lib.rs:299:14
Dec 15 09:39:16.747 INFO [stderr]     |
Dec 15 09:39:16.747 INFO [stderr] 299 |     for i in (0..path.len()-1) {
Dec 15 09:39:16.747 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:16.747 INFO [stderr]     |
Dec 15 09:39:16.747 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 15 09:39:16.747 INFO [stderr] 
Dec 15 09:39:16.747 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:16.747 INFO [stderr]    --> src/lib.rs:320:14
Dec 15 09:39:16.747 INFO [stderr]     |
Dec 15 09:39:16.747 INFO [stderr] 320 |     for i in (0..self.graph.len()) {
Dec 15 09:39:16.747 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:16.747 INFO [stderr] 
Dec 15 09:39:16.823 INFO [stderr] warning: variable does not need to be mutable
Dec 15 09:39:16.823 INFO [stderr]    --> src/lib.rs:352:11
Dec 15 09:39:16.823 INFO [stderr]     |
Dec 15 09:39:16.823 INFO [stderr] 352 |       let mut v: Option<usize>;
Dec 15 09:39:16.823 INFO [stderr]     |           ----^
Dec 15 09:39:16.823 INFO [stderr]     |           |
Dec 15 09:39:16.823 INFO [stderr]     |           help: remove this `mut`
Dec 15 09:39:16.823 INFO [stderr]     |
Dec 15 09:39:16.823 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 09:39:16.823 INFO [stderr] 
Dec 15 09:39:16.879 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 15 09:39:16.883 INFO [stderr] su: No module specific data is present
Dec 15 09:39:17.133 INFO running `"docker" "inspect" "2e4c021334881d22d68ce757f31b4d93108a979774571c653217ca1971c96584"`
Dec 15 09:39:17.260 INFO running `"docker" "rm" "-f" "2e4c021334881d22d68ce757f31b4d93108a979774571c653217ca1971c96584"`
Dec 15 09:39:17.357 INFO [stdout] 2e4c021334881d22d68ce757f31b4d93108a979774571c653217ca1971c96584
Dec 15 09:39:17.359 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 15 09:39:17.550 INFO [stdout] 3d979b25185ee222803da2b277f7d871d93ab43a28ca3ae8729c1bd188ddf759
Dec 15 09:39:17.555 INFO running `"docker" "start" "-a" "3d979b25185ee222803da2b277f7d871d93ab43a28ca3ae8729c1bd188ddf759"`
Dec 15 09:39:18.044 INFO [stderr] usermod: no changes
Dec 15 09:39:18.075 INFO [stderr]    Compiling graphsearch v0.6.0 (/source)
Dec 15 09:39:18.771 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.771 INFO [stderr]    --> src/lib.rs:299:14
Dec 15 09:39:18.771 INFO [stderr]     |
Dec 15 09:39:18.771 INFO [stderr] 299 |     for i in (0..path.len()-1) {
Dec 15 09:39:18.771 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.771 INFO [stderr]     |
Dec 15 09:39:18.771 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 15 09:39:18.771 INFO [stderr] 
Dec 15 09:39:18.771 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.771 INFO [stderr]    --> src/lib.rs:320:14
Dec 15 09:39:18.771 INFO [stderr]     |
Dec 15 09:39:18.771 INFO [stderr] 320 |     for i in (0..self.graph.len()) {
Dec 15 09:39:18.771 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.771 INFO [stderr] 
Dec 15 09:39:18.771 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.771 INFO [stderr]    --> src/lib.rs:432:16
Dec 15 09:39:18.771 INFO [stderr]     |
Dec 15 09:39:18.771 INFO [stderr] 432 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 15 09:39:18.771 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.771 INFO [stderr] 
Dec 15 09:39:18.771 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.771 INFO [stderr]    --> src/lib.rs:493:16
Dec 15 09:39:18.771 INFO [stderr]     |
Dec 15 09:39:18.771 INFO [stderr] 493 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 15 09:39:18.771 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.771 INFO [stderr] 
Dec 15 09:39:18.771 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.771 INFO [stderr]    --> src/lib.rs:556:16
Dec 15 09:39:18.771 INFO [stderr]     |
Dec 15 09:39:18.771 INFO [stderr] 556 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 15 09:39:18.771 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.771 INFO [stderr] 
Dec 15 09:39:18.771 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.771 INFO [stderr]    --> src/lib.rs:616:16
Dec 15 09:39:18.771 INFO [stderr]     |
Dec 15 09:39:18.771 INFO [stderr] 616 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 15 09:39:18.771 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.771 INFO [stderr] 
Dec 15 09:39:18.771 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.771 INFO [stderr]    --> src/lib.rs:678:16
Dec 15 09:39:18.771 INFO [stderr]     |
Dec 15 09:39:18.771 INFO [stderr] 678 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 15 09:39:18.771 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.775 INFO [stderr] 
Dec 15 09:39:18.775 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.775 INFO [stderr]    --> src/lib.rs:738:16
Dec 15 09:39:18.775 INFO [stderr]     |
Dec 15 09:39:18.775 INFO [stderr] 738 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 15 09:39:18.775 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.775 INFO [stderr] 
Dec 15 09:39:18.775 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 15 09:39:18.775 INFO [stderr]    --> src/lib.rs:830:16
Dec 15 09:39:18.775 INFO [stderr]     |
Dec 15 09:39:18.775 INFO [stderr] 830 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 15 09:39:18.775 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 15 09:39:18.775 INFO [stderr] 
Dec 15 09:39:19.046 INFO [stderr] warning: variable does not need to be mutable
Dec 15 09:39:19.046 INFO [stderr]    --> src/lib.rs:352:11
Dec 15 09:39:19.046 INFO [stderr]     |
Dec 15 09:39:19.046 INFO [stderr] 352 |       let mut v: Option<usize>;
Dec 15 09:39:19.046 INFO [stderr]     |           ----^
Dec 15 09:39:19.046 INFO [stderr]     |           |
Dec 15 09:39:19.046 INFO [stderr]     |           help: remove this `mut`
Dec 15 09:39:19.046 INFO [stderr]     |
Dec 15 09:39:19.046 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 09:39:19.046 INFO [stderr] 
Dec 15 09:39:20.179 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
Dec 15 09:39:20.182 INFO [stderr] su: No module specific data is present
Dec 15 09:39:20.764 INFO running `"docker" "inspect" "3d979b25185ee222803da2b277f7d871d93ab43a28ca3ae8729c1bd188ddf759"`
Dec 15 09:39:21.012 INFO running `"docker" "rm" "-f" "3d979b25185ee222803da2b277f7d871d93ab43a28ca3ae8729c1bd188ddf759"`
Dec 15 09:39:21.228 INFO [stdout] 3d979b25185ee222803da2b277f7d871d93ab43a28ca3ae8729c1bd188ddf759
Dec 15 09:39:21.232 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 15 09:39:21.607 INFO [stdout] 3e1aa7e261ed367043bac13e47b3272c24eedccb14b944e8d187041fe13fbbb6
Dec 15 09:39:21.609 INFO running `"docker" "start" "-a" "3e1aa7e261ed367043bac13e47b3272c24eedccb14b944e8d187041fe13fbbb6"`
Dec 15 09:39:22.199 INFO [stderr] usermod: no changes
Dec 15 09:39:22.232 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 09:39:22.232 INFO [stderr]      Running /target/debug/deps/graphsearch-adcd782e6bfaa086
Dec 15 09:39:22.234 INFO [stdout] 
Dec 15 09:39:22.234 INFO [stdout] running 15 tests
Dec 15 09:39:22.240 INFO [stdout] test breadth_first_search_test ... ok
Dec 15 09:39:22.240 INFO [stdout] test depth_first_search_test ... ok
Dec 15 09:39:22.240 INFO [stdout] test breadth_first_search_test_no_valid_path ... ok
Dec 15 09:39:22.240 INFO [stdout] test breadth_first_search_using_index_test_no_valid_path ... ok
Dec 15 09:39:22.240 INFO [stdout] test depth_first_search_test_no_valid_path ... ok
Dec 15 09:39:22.240 INFO [stdout] test breadth_first_search_using_index_test ... ok
Dec 15 09:39:22.240 INFO [stdout] test depth_first_search_using_index_test ... ok
Dec 15 09:39:22.240 INFO [stdout] test depth_first_search_using_index_test_no_valid_path ... ok
Dec 15 09:39:22.240 INFO [stdout] test dijkstra_test_no_valid_path ... ok
Dec 15 09:39:22.240 INFO [stdout] test dijkstra_using_index_test ... ok
Dec 15 09:39:22.240 INFO [stdout] test dijkstra_using_index_test_no_valid_path ... ok
Dec 15 09:39:22.240 INFO [stdout] test search_test ... ok
Dec 15 09:39:22.240 INFO [stdout] test search_test_no_valid_path ... ok
Dec 15 09:39:22.240 INFO [stdout] test search_using_index_test ... ok
Dec 15 09:39:22.240 INFO [stdout] test search_using_index_test_no_valid_path ... ok
Dec 15 09:39:22.240 INFO [stdout] 
Dec 15 09:39:22.240 INFO [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 09:39:22.240 INFO [stdout] 
Dec 15 09:39:22.241 INFO [stderr]    Doc-tests graphsearch
Dec 15 09:39:23.166 INFO [stdout] 
Dec 15 09:39:23.167 INFO [stdout] running 2 tests
Dec 15 09:39:24.392 INFO [stdout] test src/lib.rs - Graph<T>::new (line 93) ... ok
Dec 15 09:39:24.615 INFO [stdout] test src/lib.rs -  (line 5) ... ok
Dec 15 09:39:24.615 INFO [stdout] 
Dec 15 09:39:24.615 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 09:39:24.615 INFO [stdout] 
Dec 15 09:39:24.628 INFO [stderr] su: No module specific data is present
Dec 15 09:39:25.429 INFO running `"docker" "inspect" "3e1aa7e261ed367043bac13e47b3272c24eedccb14b944e8d187041fe13fbbb6"`
Dec 15 09:39:25.549 INFO running `"docker" "rm" "-f" "3e1aa7e261ed367043bac13e47b3272c24eedccb14b944e8d187041fe13fbbb6"`
Dec 15 09:39:25.770 INFO [stdout] 3e1aa7e261ed367043bac13e47b3272c24eedccb14b944e8d187041fe13fbbb6