Oct 13 14:02:45.379 INFO checking graphsearch-0.6.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 14:02:45.379 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 14:02:45.696 INFO blam! 08479ac5d3e97b9187af467408f883f03e14fb46c5b837d71a81185cfdc0a560
Oct 13 14:02:45.712 INFO running `"docker" "start" "-a" "08479ac5d3e97b9187af467408f883f03e14fb46c5b837d71a81185cfdc0a560"`
Oct 13 14:02:46.735 INFO kablam! usermod: no changes
Oct 13 14:02:46.755 INFO kablam!     Checking graphsearch v0.6.0 (/source)
Oct 13 14:02:47.481 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.481 INFO kablam!    --> src/lib.rs:299:14
Oct 13 14:02:47.481 INFO kablam!     |
Oct 13 14:02:47.481 INFO kablam! 299 |     for i in (0..path.len()-1) {
Oct 13 14:02:47.481 INFO kablam!     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.481 INFO kablam!     |
Oct 13 14:02:47.481 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 14:02:47.481 INFO kablam! 
Oct 13 14:02:47.481 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.481 INFO kablam!    --> src/lib.rs:320:14
Oct 13 14:02:47.481 INFO kablam!     |
Oct 13 14:02:47.481 INFO kablam! 320 |     for i in (0..self.graph.len()) {
Oct 13 14:02:47.481 INFO kablam!     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.481 INFO kablam! 
Oct 13 14:02:47.577 INFO kablam! warning: variable does not need to be mutable
Oct 13 14:02:47.577 INFO kablam!    --> src/lib.rs:352:11
Oct 13 14:02:47.577 INFO kablam!     |
Oct 13 14:02:47.577 INFO kablam! 352 |       let mut v: Option<usize>;
Oct 13 14:02:47.578 INFO kablam!     |           ----^
Oct 13 14:02:47.578 INFO kablam!     |           |
Oct 13 14:02:47.578 INFO kablam!     |           help: remove this `mut`
Oct 13 14:02:47.578 INFO kablam!     |
Oct 13 14:02:47.578 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 14:02:47.578 INFO kablam! 
Oct 13 14:02:47.616 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.616 INFO kablam!    --> src/lib.rs:299:14
Oct 13 14:02:47.616 INFO kablam!     |
Oct 13 14:02:47.616 INFO kablam! 299 |     for i in (0..path.len()-1) {
Oct 13 14:02:47.616 INFO kablam!     |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.616 INFO kablam!     |
Oct 13 14:02:47.616 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 14:02:47.616 INFO kablam! 
Oct 13 14:02:47.616 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.616 INFO kablam!    --> src/lib.rs:320:14
Oct 13 14:02:47.616 INFO kablam!     |
Oct 13 14:02:47.616 INFO kablam! 320 |     for i in (0..self.graph.len()) {
Oct 13 14:02:47.616 INFO kablam!     |              ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.616 INFO kablam! 
Oct 13 14:02:47.616 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.616 INFO kablam!    --> src/lib.rs:432:16
Oct 13 14:02:47.616 INFO kablam!     |
Oct 13 14:02:47.616 INFO kablam! 432 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Oct 13 14:02:47.616 INFO kablam!     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.616 INFO kablam! 
Oct 13 14:02:47.616 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.616 INFO kablam!    --> src/lib.rs:493:16
Oct 13 14:02:47.616 INFO kablam!     |
Oct 13 14:02:47.616 INFO kablam! 493 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Oct 13 14:02:47.616 INFO kablam!     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.616 INFO kablam! 
Oct 13 14:02:47.616 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.616 INFO kablam!    --> src/lib.rs:556:16
Oct 13 14:02:47.616 INFO kablam!     |
Oct 13 14:02:47.616 INFO kablam! 556 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Oct 13 14:02:47.616 INFO kablam!     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.616 INFO kablam! 
Oct 13 14:02:47.616 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.616 INFO kablam!    --> src/lib.rs:616:16
Oct 13 14:02:47.616 INFO kablam!     |
Oct 13 14:02:47.616 INFO kablam! 616 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Oct 13 14:02:47.616 INFO kablam!     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.617 INFO kablam! 
Oct 13 14:02:47.617 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.617 INFO kablam!    --> src/lib.rs:678:16
Oct 13 14:02:47.617 INFO kablam!     |
Oct 13 14:02:47.617 INFO kablam! 678 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Oct 13 14:02:47.617 INFO kablam!     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.617 INFO kablam! 
Oct 13 14:02:47.617 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.617 INFO kablam!    --> src/lib.rs:738:16
Oct 13 14:02:47.617 INFO kablam!     |
Oct 13 14:02:47.617 INFO kablam! 738 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Oct 13 14:02:47.617 INFO kablam!     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.617 INFO kablam! 
Oct 13 14:02:47.617 INFO kablam! warning: unnecessary parentheses around `for` head expression
Oct 13 14:02:47.617 INFO kablam!    --> src/lib.rs:830:16
Oct 13 14:02:47.617 INFO kablam!     |
Oct 13 14:02:47.617 INFO kablam! 830 |       for i in (0..expected_path.len()) { assert_eq!(result[i], expected_path[i]); }
Oct 13 14:02:47.617 INFO kablam!     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 14:02:47.617 INFO kablam! 
Oct 13 14:02:47.908 INFO kablam! warning: variable does not need to be mutable
Oct 13 14:02:47.908 INFO kablam!    --> src/lib.rs:352:11
Oct 13 14:02:47.908 INFO kablam!     |
Oct 13 14:02:47.908 INFO kablam! 352 |       let mut v: Option<usize>;
Oct 13 14:02:47.908 INFO kablam!     |           ----^
Oct 13 14:02:47.909 INFO kablam!     |           |
Oct 13 14:02:47.909 INFO kablam!     |           help: remove this `mut`
Oct 13 14:02:47.909 INFO kablam!     |
Oct 13 14:02:47.909 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 14:02:47.909 INFO kablam! 
Oct 13 14:02:48.013 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Oct 13 14:02:48.016 INFO kablam! su: No module specific data is present
Oct 13 14:02:48.480 INFO running `"docker" "rm" "-f" "08479ac5d3e97b9187af467408f883f03e14fb46c5b837d71a81185cfdc0a560"`
Oct 13 14:02:48.780 INFO blam! 08479ac5d3e97b9187af467408f883f03e14fb46c5b837d71a81185cfdc0a560