Nov 30 21:33:52.487 INFO checking graphsearch-0.6.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 21:33:52.488 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 21:33:52.780 INFO [stdout] b217d82299108af68dc1e8b3219e6884214620e13c9746c25f5f530f1ee2e52e
Nov 30 21:33:52.786 INFO running `"docker" "start" "-a" "b217d82299108af68dc1e8b3219e6884214620e13c9746c25f5f530f1ee2e52e"`
Nov 30 21:33:53.736 INFO [stderr] usermod: no changes
Nov 30 21:33:53.788 INFO [stderr]     Checking graphsearch v0.6.0 (/source)
Nov 30 21:33:54.778 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:54.778 INFO [stderr]    --> src/lib.rs:299:14
Nov 30 21:33:54.779 INFO [stderr]     |
Nov 30 21:33:54.779 INFO [stderr] 299 |     for i in (0..path.len()-1) {
Nov 30 21:33:54.779 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:54.779 INFO [stderr]     |
Nov 30 21:33:54.780 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 21:33:54.780 INFO [stderr] 
Nov 30 21:33:54.780 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:54.780 INFO [stderr]    --> src/lib.rs:320:14
Nov 30 21:33:54.781 INFO [stderr]     |
Nov 30 21:33:54.781 INFO [stderr] 320 |     for i in (0..self.graph.len()) {
Nov 30 21:33:54.781 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:54.781 INFO [stderr] 
Nov 30 21:33:54.859 INFO [stderr] warning: variable does not need to be mutable
Nov 30 21:33:54.859 INFO [stderr]    --> src/lib.rs:352:11
Nov 30 21:33:54.859 INFO [stderr]     |
Nov 30 21:33:54.859 INFO [stderr] 352 |       let mut v: Option<usize>;
Nov 30 21:33:54.860 INFO [stderr]     |           ----^
Nov 30 21:33:54.860 INFO [stderr]     |           |
Nov 30 21:33:54.860 INFO [stderr]     |           help: remove this `mut`
Nov 30 21:33:54.861 INFO [stderr]     |
Nov 30 21:33:54.861 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 21:33:54.861 INFO [stderr] 
Nov 30 21:33:55.059 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.059 INFO [stderr]    --> src/lib.rs:299:14
Nov 30 21:33:55.059 INFO [stderr]     |
Nov 30 21:33:55.059 INFO [stderr] 299 |     for i in (0..path.len()-1) {
Nov 30 21:33:55.059 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.059 INFO [stderr]     |
Nov 30 21:33:55.059 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 30 21:33:55.059 INFO [stderr] 
Nov 30 21:33:55.059 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.059 INFO [stderr]    --> src/lib.rs:320:14
Nov 30 21:33:55.059 INFO [stderr]     |
Nov 30 21:33:55.059 INFO [stderr] 320 |     for i in (0..self.graph.len()) {
Nov 30 21:33:55.059 INFO [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.059 INFO [stderr] 
Nov 30 21:33:55.059 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.059 INFO [stderr]    --> src/lib.rs:432:16
Nov 30 21:33:55.059 INFO [stderr]     |
Nov 30 21:33:55.059 INFO [stderr] 432 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Nov 30 21:33:55.059 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.059 INFO [stderr] 
Nov 30 21:33:55.060 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.060 INFO [stderr]    --> src/lib.rs:493:16
Nov 30 21:33:55.060 INFO [stderr]     |
Nov 30 21:33:55.061 INFO [stderr] 493 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Nov 30 21:33:55.061 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.061 INFO [stderr] 
Nov 30 21:33:55.061 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.062 INFO [stderr]    --> src/lib.rs:556:16
Nov 30 21:33:55.062 INFO [stderr]     |
Nov 30 21:33:55.062 INFO [stderr] 556 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Nov 30 21:33:55.062 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.063 INFO [stderr] 
Nov 30 21:33:55.063 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.063 INFO [stderr]    --> src/lib.rs:616:16
Nov 30 21:33:55.063 INFO [stderr]     |
Nov 30 21:33:55.064 INFO [stderr] 616 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Nov 30 21:33:55.064 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.064 INFO [stderr] 
Nov 30 21:33:55.064 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.064 INFO [stderr]    --> src/lib.rs:678:16
Nov 30 21:33:55.065 INFO [stderr]     |
Nov 30 21:33:55.065 INFO [stderr] 678 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Nov 30 21:33:55.065 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.065 INFO [stderr] 
Nov 30 21:33:55.066 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.066 INFO [stderr]    --> src/lib.rs:738:16
Nov 30 21:33:55.066 INFO [stderr]     |
Nov 30 21:33:55.066 INFO [stderr] 738 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Nov 30 21:33:55.067 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.067 INFO [stderr] 
Nov 30 21:33:55.067 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 30 21:33:55.067 INFO [stderr]    --> src/lib.rs:830:16
Nov 30 21:33:55.067 INFO [stderr]     |
Nov 30 21:33:55.067 INFO [stderr] 830 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Nov 30 21:33:55.067 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 30 21:33:55.067 INFO [stderr] 
Nov 30 21:33:55.395 INFO [stderr] warning: variable does not need to be mutable
Nov 30 21:33:55.395 INFO [stderr]    --> src/lib.rs:352:11
Nov 30 21:33:55.395 INFO [stderr]     |
Nov 30 21:33:55.395 INFO [stderr] 352 |       let mut v: Option<usize>;
Nov 30 21:33:55.395 INFO [stderr]     |           ----^
Nov 30 21:33:55.395 INFO [stderr]     |           |
Nov 30 21:33:55.395 INFO [stderr]     |           help: remove this `mut`
Nov 30 21:33:55.395 INFO [stderr]     |
Nov 30 21:33:55.395 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 21:33:55.395 INFO [stderr] 
Nov 30 21:33:55.492 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
Nov 30 21:33:55.492 INFO [stderr] su: No module specific data is present
Nov 30 21:33:56.266 INFO running `"docker" "inspect" "b217d82299108af68dc1e8b3219e6884214620e13c9746c25f5f530f1ee2e52e"`
Nov 30 21:33:56.620 INFO running `"docker" "rm" "-f" "b217d82299108af68dc1e8b3219e6884214620e13c9746c25f5f530f1ee2e52e"`
Nov 30 21:33:57.034 INFO [stdout] b217d82299108af68dc1e8b3219e6884214620e13c9746c25f5f530f1ee2e52e