Aug 31 21:48:56.254 INFO checking maze-0.1.2 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 21:48:56.254 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 21:48:56.254 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 21:48:56.442 INFO blam! 139b27aef69e9753abf2cdd92298691d1b7844b60c5d4471b1d81484fc669f4b
Aug 31 21:48:56.444 INFO running `"docker" "start" "-a" "139b27aef69e9753abf2cdd92298691d1b7844b60c5d4471b1d81484fc669f4b"`
Aug 31 21:48:57.431 INFO kablam!     Checking css-color-parser v0.1.2
Aug 31 21:48:57.436 INFO kablam!     Checking png v0.5.2
Aug 31 21:48:57.439 INFO kablam!     Checking hyper v0.9.12
Aug 31 21:48:57.440 INFO kablam!     Checking nalgebra v0.5.1
Aug 31 21:49:00.086 INFO kablam!     Checking image v0.10.4
Aug 31 21:49:07.176 INFO kablam!     Checking iron v0.4.0
Aug 31 21:49:10.540 INFO kablam!     Checking persistent v0.2.1
Aug 31 21:49:10.544 INFO kablam!     Checking router v0.4.0
Aug 31 21:49:13.866 INFO kablam!     Checking bodyparser v0.4.1
Aug 31 21:49:16.193 INFO kablam!     Checking imageproc v0.6.1
Aug 31 21:49:16.494 INFO kablam!     Checking urlencoded v0.4.1
Aug 31 21:49:20.792 INFO kablam!     Checking maze v0.1.2 (file:///source)
Aug 31 21:49:26.642 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:49:26.642 INFO kablam!    --> src/types/grid.rs:191:13
Aug 31 21:49:26.642 INFO kablam!     |
Aug 31 21:49:26.642 INFO kablam! 191 |         let mut grid = self;
Aug 31 21:49:26.642 INFO kablam!     |             ----^^^^
Aug 31 21:49:26.642 INFO kablam!     |             |
Aug 31 21:49:26.642 INFO kablam!     |             help: remove this `mut`
Aug 31 21:49:26.642 INFO kablam!     |
Aug 31 21:49:26.642 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 21:49:26.642 INFO kablam! 
Aug 31 21:49:26.647 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:49:26.647 INFO kablam!    --> src/types/grid.rs:191:13
Aug 31 21:49:26.647 INFO kablam!     |
Aug 31 21:49:26.647 INFO kablam! 191 |         let mut grid = self;
Aug 31 21:49:26.647 INFO kablam!     |             ----^^^^
Aug 31 21:49:26.647 INFO kablam!     |             |
Aug 31 21:49:26.647 INFO kablam!     |             help: remove this `mut`
Aug 31 21:49:26.647 INFO kablam!     |
Aug 31 21:49:26.647 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 21:49:26.647 INFO kablam! 
Aug 31 21:49:26.664 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 31 21:49:26.664 INFO kablam!  --> src/lib.rs:2:12
Aug 31 21:49:26.664 INFO kablam!   |
Aug 31 21:49:26.664 INFO kablam! 2 | #![feature(proc_macro)]
Aug 31 21:49:26.664 INFO kablam!   |            ^^^^^^^^^^
Aug 31 21:49:26.664 INFO kablam!   |
Aug 31 21:49:26.664 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 21:49:26.664 INFO kablam! 
Aug 31 21:49:26.666 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 31 21:49:26.666 INFO kablam!  --> src/lib.rs:2:12
Aug 31 21:49:26.666 INFO kablam!   |
Aug 31 21:49:26.666 INFO kablam! 2 | #![feature(proc_macro)]
Aug 31 21:49:26.666 INFO kablam!   |            ^^^^^^^^^^
Aug 31 21:49:26.666 INFO kablam!   |
Aug 31 21:49:26.666 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 21:49:26.666 INFO kablam! 
Aug 31 21:49:31.823 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 34.67s
Aug 31 21:49:31.844 INFO kablam! su: No module specific data is present
Aug 31 21:49:32.181 INFO running `"docker" "rm" "-f" "139b27aef69e9753abf2cdd92298691d1b7844b60c5d4471b1d81484fc669f4b"`
Aug 31 21:49:32.320 INFO blam! 139b27aef69e9753abf2cdd92298691d1b7844b60c5d4471b1d81484fc669f4b