Dec 18 15:30:58.459 INFO checking graphsearch-0.6.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:30:58.459 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/graphsearch/0.6.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:30:58.707 INFO [stdout] 824a460ba794ef6069b123174b0220c6bd56eefa0474d357ae161ca2be224cbb
Dec 18 15:30:58.712 INFO running `"docker" "start" "-a" "824a460ba794ef6069b123174b0220c6bd56eefa0474d357ae161ca2be224cbb"`
Dec 18 15:30:59.916 INFO [stderr]     Checking graphsearch v0.6.0 (/opt/crater/workdir)
Dec 18 15:31:00.211 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.211 INFO [stderr]    --> src/lib.rs:299:14
Dec 18 15:31:00.211 INFO [stderr]     |
Dec 18 15:31:00.211 INFO [stderr] 299 |     for i in (0..path.len()-1) {
Dec 18 15:31:00.211 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.211 INFO [stderr]     |
Dec 18 15:31:00.211 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 15:31:00.211 INFO [stderr] 
Dec 18 15:31:00.211 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.211 INFO [stderr]    --> src/lib.rs:320:14
Dec 18 15:31:00.211 INFO [stderr]     |
Dec 18 15:31:00.211 INFO [stderr] 320 |     for i in (0..self.graph.len()) {
Dec 18 15:31:00.211 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.211 INFO [stderr] 
Dec 18 15:31:00.274 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.274 INFO [stderr]    --> src/lib.rs:299:14
Dec 18 15:31:00.274 INFO [stderr]     |
Dec 18 15:31:00.276 INFO [stderr] 299 |     for i in (0..path.len()-1) {
Dec 18 15:31:00.276 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.276 INFO [stderr]     |
Dec 18 15:31:00.276 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 15:31:00.276 INFO [stderr] 
Dec 18 15:31:00.276 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.276 INFO [stderr]    --> src/lib.rs:320:14
Dec 18 15:31:00.276 INFO [stderr]     |
Dec 18 15:31:00.277 INFO [stderr] 320 |     for i in (0..self.graph.len()) {
Dec 18 15:31:00.277 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.277 INFO [stderr] 
Dec 18 15:31:00.277 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.277 INFO [stderr]    --> src/lib.rs:432:16
Dec 18 15:31:00.277 INFO [stderr]     |
Dec 18 15:31:00.277 INFO [stderr] 432 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 18 15:31:00.277 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.277 INFO [stderr] 
Dec 18 15:31:00.277 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.277 INFO [stderr]    --> src/lib.rs:493:16
Dec 18 15:31:00.277 INFO [stderr]     |
Dec 18 15:31:00.277 INFO [stderr] 493 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 18 15:31:00.277 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.277 INFO [stderr] 
Dec 18 15:31:00.277 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.277 INFO [stderr]    --> src/lib.rs:556:16
Dec 18 15:31:00.277 INFO [stderr]     |
Dec 18 15:31:00.277 INFO [stderr] 556 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 18 15:31:00.277 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.277 INFO [stderr] 
Dec 18 15:31:00.277 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.277 INFO [stderr]    --> src/lib.rs:616:16
Dec 18 15:31:00.277 INFO [stderr]     |
Dec 18 15:31:00.277 INFO [stderr] 616 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 18 15:31:00.277 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.277 INFO [stderr] 
Dec 18 15:31:00.277 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.277 INFO [stderr]    --> src/lib.rs:678:16
Dec 18 15:31:00.277 INFO [stderr]     |
Dec 18 15:31:00.277 INFO [stderr] 678 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 18 15:31:00.277 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.277 INFO [stderr] 
Dec 18 15:31:00.277 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.277 INFO [stderr]    --> src/lib.rs:738:16
Dec 18 15:31:00.277 INFO [stderr]     |
Dec 18 15:31:00.277 INFO [stderr] 738 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 18 15:31:00.277 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.277 INFO [stderr] 
Dec 18 15:31:00.277 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 15:31:00.277 INFO [stderr]    --> src/lib.rs:830:16
Dec 18 15:31:00.277 INFO [stderr]     |
Dec 18 15:31:00.277 INFO [stderr] 830 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 18 15:31:00.277 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 15:31:00.277 INFO [stderr] 
Dec 18 15:31:00.288 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:31:00.288 INFO [stderr]    --> src/lib.rs:352:11
Dec 18 15:31:00.288 INFO [stderr]     |
Dec 18 15:31:00.288 INFO [stderr] 352 |       let mut v: Option<usize>;
Dec 18 15:31:00.288 INFO [stderr]     |           ----^
Dec 18 15:31:00.288 INFO [stderr]     |           |
Dec 18 15:31:00.288 INFO [stderr]     |           help: remove this `mut`
Dec 18 15:31:00.288 INFO [stderr]     |
Dec 18 15:31:00.288 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 15:31:00.288 INFO [stderr] 
Dec 18 15:31:00.563 INFO [stderr] warning: variable does not need to be mutable
Dec 18 15:31:00.563 INFO [stderr]    --> src/lib.rs:352:11
Dec 18 15:31:00.563 INFO [stderr]     |
Dec 18 15:31:00.563 INFO [stderr] 352 |       let mut v: Option<usize>;
Dec 18 15:31:00.563 INFO [stderr]     |           ----^
Dec 18 15:31:00.563 INFO [stderr]     |           |
Dec 18 15:31:00.563 INFO [stderr]     |           help: remove this `mut`
Dec 18 15:31:00.563 INFO [stderr]     |
Dec 18 15:31:00.563 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 15:31:00.563 INFO [stderr] 
Dec 18 15:31:00.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 18 15:31:01.711 INFO running `"docker" "inspect" "824a460ba794ef6069b123174b0220c6bd56eefa0474d357ae161ca2be224cbb"`
Dec 18 15:31:01.976 INFO running `"docker" "rm" "-f" "824a460ba794ef6069b123174b0220c6bd56eefa0474d357ae161ca2be224cbb"`
Dec 18 15:31:02.312 INFO [stdout] 824a460ba794ef6069b123174b0220c6bd56eefa0474d357ae161ca2be224cbb