Dec 05 12:27:22.016 INFO checking graphsearch-0.6.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 12:27:22.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 12:27:22.280 INFO [stdout] 4490178a34bfa5b1c779494f85e67e03f3987a5ef89de6fff4c1e52c0fa1b95a
Dec 05 12:27:22.287 INFO running `"docker" "start" "-a" "4490178a34bfa5b1c779494f85e67e03f3987a5ef89de6fff4c1e52c0fa1b95a"`
Dec 05 12:27:23.962 INFO [stderr] usermod: no changes
Dec 05 12:27:24.019 INFO [stderr]     Checking graphsearch v0.6.0 (/source)
Dec 05 12:27:25.059 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.059 INFO [stderr]    --> src/lib.rs:299:14
Dec 05 12:27:25.059 INFO [stderr]     |
Dec 05 12:27:25.059 INFO [stderr] 299 |     for i in (0..path.len()-1) {
Dec 05 12:27:25.059 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.059 INFO [stderr]     |
Dec 05 12:27:25.059 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 12:27:25.059 INFO [stderr] 
Dec 05 12:27:25.059 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.059 INFO [stderr]    --> src/lib.rs:320:14
Dec 05 12:27:25.059 INFO [stderr]     |
Dec 05 12:27:25.059 INFO [stderr] 320 |     for i in (0..self.graph.len()) {
Dec 05 12:27:25.059 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.059 INFO [stderr] 
Dec 05 12:27:25.083 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.083 INFO [stderr]    --> src/lib.rs:299:14
Dec 05 12:27:25.083 INFO [stderr]     |
Dec 05 12:27:25.083 INFO [stderr] 299 |     for i in (0..path.len()-1) {
Dec 05 12:27:25.083 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.083 INFO [stderr]     |
Dec 05 12:27:25.083 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 12:27:25.083 INFO [stderr] 
Dec 05 12:27:25.083 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.083 INFO [stderr]    --> src/lib.rs:320:14
Dec 05 12:27:25.083 INFO [stderr]     |
Dec 05 12:27:25.083 INFO [stderr] 320 |     for i in (0..self.graph.len()) {
Dec 05 12:27:25.083 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.083 INFO [stderr] 
Dec 05 12:27:25.083 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.083 INFO [stderr]    --> src/lib.rs:432:16
Dec 05 12:27:25.083 INFO [stderr]     |
Dec 05 12:27:25.083 INFO [stderr] 432 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 05 12:27:25.083 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.083 INFO [stderr] 
Dec 05 12:27:25.083 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.083 INFO [stderr]    --> src/lib.rs:493:16
Dec 05 12:27:25.083 INFO [stderr]     |
Dec 05 12:27:25.083 INFO [stderr] 493 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 05 12:27:25.083 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.083 INFO [stderr] 
Dec 05 12:27:25.083 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.083 INFO [stderr]    --> src/lib.rs:556:16
Dec 05 12:27:25.083 INFO [stderr]     |
Dec 05 12:27:25.083 INFO [stderr] 556 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 05 12:27:25.083 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.083 INFO [stderr] 
Dec 05 12:27:25.087 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.087 INFO [stderr]    --> src/lib.rs:616:16
Dec 05 12:27:25.087 INFO [stderr]     |
Dec 05 12:27:25.087 INFO [stderr] 616 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 05 12:27:25.087 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.087 INFO [stderr] 
Dec 05 12:27:25.087 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.087 INFO [stderr]    --> src/lib.rs:678:16
Dec 05 12:27:25.087 INFO [stderr]     |
Dec 05 12:27:25.087 INFO [stderr] 678 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 05 12:27:25.087 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.087 INFO [stderr] 
Dec 05 12:27:25.087 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.087 INFO [stderr]    --> src/lib.rs:738:16
Dec 05 12:27:25.087 INFO [stderr]     |
Dec 05 12:27:25.087 INFO [stderr] 738 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 05 12:27:25.087 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.087 INFO [stderr] 
Dec 05 12:27:25.087 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 05 12:27:25.087 INFO [stderr]    --> src/lib.rs:830:16
Dec 05 12:27:25.087 INFO [stderr]     |
Dec 05 12:27:25.087 INFO [stderr] 830 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Dec 05 12:27:25.087 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 12:27:25.087 INFO [stderr] 
Dec 05 12:27:25.126 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:27:25.126 INFO [stderr]    --> src/lib.rs:352:11
Dec 05 12:27:25.126 INFO [stderr]     |
Dec 05 12:27:25.126 INFO [stderr] 352 |       let mut v: Option<usize>;
Dec 05 12:27:25.126 INFO [stderr]     |           ----^
Dec 05 12:27:25.126 INFO [stderr]     |           |
Dec 05 12:27:25.126 INFO [stderr]     |           help: remove this `mut`
Dec 05 12:27:25.126 INFO [stderr]     |
Dec 05 12:27:25.126 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 12:27:25.126 INFO [stderr] 
Dec 05 12:27:25.367 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:27:25.367 INFO [stderr]    --> src/lib.rs:352:11
Dec 05 12:27:25.367 INFO [stderr]     |
Dec 05 12:27:25.367 INFO [stderr] 352 |       let mut v: Option<usize>;
Dec 05 12:27:25.367 INFO [stderr]     |           ----^
Dec 05 12:27:25.367 INFO [stderr]     |           |
Dec 05 12:27:25.367 INFO [stderr]     |           help: remove this `mut`
Dec 05 12:27:25.367 INFO [stderr]     |
Dec 05 12:27:25.367 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 12:27:25.367 INFO [stderr] 
Dec 05 12:27:25.457 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 05 12:27:25.459 INFO [stderr] su: No module specific data is present
Dec 05 12:27:26.016 INFO running `"docker" "inspect" "4490178a34bfa5b1c779494f85e67e03f3987a5ef89de6fff4c1e52c0fa1b95a"`
Dec 05 12:27:26.251 INFO running `"docker" "rm" "-f" "4490178a34bfa5b1c779494f85e67e03f3987a5ef89de6fff4c1e52c0fa1b95a"`
Dec 05 12:27:26.553 INFO [stdout] 4490178a34bfa5b1c779494f85e67e03f3987a5ef89de6fff4c1e52c0fa1b95a