Aug 30 11:03:22.650 INFO checking maze-0.1.2 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 11:03:22.650 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 11:03:22.651 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 11:03:22.815 INFO blam! a66f3cf6939e2f64adb9e20066c5644d48395cede597fe13e0419f38e63288b9
Aug 30 11:03:22.817 INFO running `"docker" "start" "-a" "a66f3cf6939e2f64adb9e20066c5644d48395cede597fe13e0419f38e63288b9"`
Aug 30 11:03:23.702 INFO kablam!     Checking png v0.5.2
Aug 30 11:03:23.703 INFO kablam!     Checking hyper v0.9.12
Aug 30 11:03:23.703 INFO kablam!     Checking nalgebra v0.5.1
Aug 30 11:03:26.321 INFO kablam!     Checking image v0.10.4
Aug 30 11:03:32.041 INFO kablam!     Checking iron v0.4.0
Aug 30 11:03:35.783 INFO kablam!     Checking persistent v0.2.1
Aug 30 11:03:35.783 INFO kablam!     Checking router v0.4.0
Aug 30 11:03:39.924 INFO kablam!     Checking bodyparser v0.4.1
Aug 30 11:03:42.352 INFO kablam!     Checking urlencoded v0.4.1
Aug 30 11:03:42.507 INFO kablam!     Checking imageproc v0.6.1
Aug 30 11:03:47.851 INFO kablam!     Checking maze v0.1.2 (file:///source)
Aug 30 11:03:54.048 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:03:54.048 INFO kablam!    --> src/types/grid.rs:191:13
Aug 30 11:03:54.048 INFO kablam!     |
Aug 30 11:03:54.048 INFO kablam! 191 |         let mut grid = self;
Aug 30 11:03:54.048 INFO kablam!     |             ----^^^^
Aug 30 11:03:54.048 INFO kablam!     |             |
Aug 30 11:03:54.048 INFO kablam!     |             help: remove this `mut`
Aug 30 11:03:54.048 INFO kablam!     |
Aug 30 11:03:54.048 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 11:03:54.049 INFO kablam! 
Aug 30 11:03:54.064 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:03:54.064 INFO kablam!    --> src/types/grid.rs:191:13
Aug 30 11:03:54.065 INFO kablam!     |
Aug 30 11:03:54.065 INFO kablam! 191 |         let mut grid = self;
Aug 30 11:03:54.065 INFO kablam!     |             ----^^^^
Aug 30 11:03:54.065 INFO kablam!     |             |
Aug 30 11:03:54.065 INFO kablam!     |             help: remove this `mut`
Aug 30 11:03:54.065 INFO kablam!     |
Aug 30 11:03:54.065 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 11:03:54.065 INFO kablam! 
Aug 30 11:03:54.071 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 30 11:03:54.071 INFO kablam!  --> src/lib.rs:2:12
Aug 30 11:03:54.071 INFO kablam!   |
Aug 30 11:03:54.071 INFO kablam! 2 | #![feature(proc_macro)]
Aug 30 11:03:54.071 INFO kablam!   |            ^^^^^^^^^^
Aug 30 11:03:54.072 INFO kablam!   |
Aug 30 11:03:54.072 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 11:03:54.072 INFO kablam! 
Aug 30 11:03:54.088 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 30 11:03:54.088 INFO kablam!  --> src/lib.rs:2:12
Aug 30 11:03:54.088 INFO kablam!   |
Aug 30 11:03:54.088 INFO kablam! 2 | #![feature(proc_macro)]
Aug 30 11:03:54.088 INFO kablam!   |            ^^^^^^^^^^
Aug 30 11:03:54.088 INFO kablam!   |
Aug 30 11:03:54.088 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 11:03:54.089 INFO kablam! 
Aug 30 11:03:59.668 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 36.21s
Aug 30 11:03:59.685 INFO kablam! su: No module specific data is present
Aug 30 11:04:00.117 INFO running `"docker" "rm" "-f" "a66f3cf6939e2f64adb9e20066c5644d48395cede597fe13e0419f38e63288b9"`
Aug 30 11:04:00.236 INFO blam! a66f3cf6939e2f64adb9e20066c5644d48395cede597fe13e0419f38e63288b9