Aug 11 08:52:04.623 INFO checking maze-0.1.2 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 08:52:04.623 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 08:52:04.623 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 08:52:04.624 INFO running `"docker" "create" "-v" "/tmp/crater.j9Pv0zO7jfsn:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-6/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 08:52:04.915 INFO blam! de29e100722e059ba3c7b3441ae596cd6bce6fd34cc2947b45fc61a4c350586e
Aug 11 08:52:04.918 INFO running `"docker" "start" "-a" "de29e100722e059ba3c7b3441ae596cd6bce6fd34cc2947b45fc61a4c350586e"`
Aug 11 08:52:06.402 INFO kablam!     Checking png v0.5.2
Aug 11 08:52:06.403 INFO kablam!     Checking hyper v0.9.12
Aug 11 08:52:10.273 INFO kablam!     Checking image v0.10.4
Aug 11 08:52:15.689 INFO kablam!     Checking iron v0.4.0
Aug 11 08:52:17.915 INFO kablam!     Checking persistent v0.2.1
Aug 11 08:52:17.915 INFO kablam!     Checking router v0.4.0
Aug 11 08:52:20.073 INFO kablam!     Checking imageproc v0.6.1
Aug 11 08:52:20.572 INFO kablam!     Checking bodyparser v0.4.1
Aug 11 08:52:23.005 INFO kablam!     Checking urlencoded v0.4.1
Aug 11 08:52:27.608 INFO kablam!     Checking maze v0.1.2 (file:///source)
Aug 11 08:52:32.910 INFO kablam! warning: variable does not need to be mutable
Aug 11 08:52:32.910 INFO kablam!    --> src/types/grid.rs:191:13
Aug 11 08:52:32.910 INFO kablam!     |
Aug 11 08:52:32.910 INFO kablam! 191 |         let mut grid = self;
Aug 11 08:52:32.911 INFO kablam!     |             ----^^^^
Aug 11 08:52:32.911 INFO kablam!     |             |
Aug 11 08:52:32.911 INFO kablam!     |             help: remove this `mut`
Aug 11 08:52:32.911 INFO kablam!     |
Aug 11 08:52:32.911 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 11 08:52:32.911 INFO kablam! 
Aug 11 08:52:32.940 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 11 08:52:32.940 INFO kablam!  --> src/lib.rs:2:12
Aug 11 08:52:32.940 INFO kablam!   |
Aug 11 08:52:32.941 INFO kablam! 2 | #![feature(proc_macro)]
Aug 11 08:52:32.941 INFO kablam!   |            ^^^^^^^^^^
Aug 11 08:52:32.941 INFO kablam!   |
Aug 11 08:52:32.941 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 11 08:52:32.941 INFO kablam! 
Aug 11 08:52:33.361 INFO kablam! warning: variable does not need to be mutable
Aug 11 08:52:33.361 INFO kablam!    --> src/types/grid.rs:191:13
Aug 11 08:52:33.361 INFO kablam!     |
Aug 11 08:52:33.361 INFO kablam! 191 |         let mut grid = self;
Aug 11 08:52:33.361 INFO kablam!     |             ----^^^^
Aug 11 08:52:33.361 INFO kablam!     |             |
Aug 11 08:52:33.361 INFO kablam!     |             help: remove this `mut`
Aug 11 08:52:33.362 INFO kablam!     |
Aug 11 08:52:33.362 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 11 08:52:33.362 INFO kablam! 
Aug 11 08:52:33.389 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 11 08:52:33.389 INFO kablam!  --> src/lib.rs:2:12
Aug 11 08:52:33.389 INFO kablam!   |
Aug 11 08:52:33.389 INFO kablam! 2 | #![feature(proc_macro)]
Aug 11 08:52:33.389 INFO kablam!   |            ^^^^^^^^^^
Aug 11 08:52:33.390 INFO kablam!   |
Aug 11 08:52:33.390 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 11 08:52:33.390 INFO kablam! 
Aug 11 08:52:37.160 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 31.19s
Aug 11 08:52:37.180 INFO kablam! su: No module specific data is present
Aug 11 08:52:37.807 INFO running `"docker" "rm" "-f" "de29e100722e059ba3c7b3441ae596cd6bce6fd34cc2947b45fc61a4c350586e"`
Aug 11 08:52:37.908 INFO blam! de29e100722e059ba3c7b3441ae596cd6bce6fd34cc2947b45fc61a4c350586e