Sep 02 07:53:46.003 INFO checking maze-0.1.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 07:53:46.003 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 07:53:46.004 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 07:53:46.185 INFO blam! ea413d942773f52bec9f0f134f777632b723ba389ed8828c8a136b842de089b9
Sep 02 07:53:46.187 INFO running `"docker" "start" "-a" "ea413d942773f52bec9f0f134f777632b723ba389ed8828c8a136b842de089b9"`
Sep 02 07:53:47.132 INFO kablam!     Checking css-color-parser v0.1.2
Sep 02 07:53:47.139 INFO kablam!     Checking png v0.5.2
Sep 02 07:53:47.141 INFO kablam!     Checking hyper v0.9.12
Sep 02 07:53:49.652 INFO kablam!     Checking image v0.10.4
Sep 02 07:53:55.627 INFO kablam!     Checking iron v0.4.0
Sep 02 07:53:59.043 INFO kablam!     Checking persistent v0.2.1
Sep 02 07:53:59.045 INFO kablam!     Checking router v0.4.0
Sep 02 07:54:00.726 INFO kablam!     Checking imageproc v0.6.1
Sep 02 07:54:02.497 INFO kablam!     Checking bodyparser v0.4.1
Sep 02 07:54:05.707 INFO kablam!     Checking urlencoded v0.4.1
Sep 02 07:54:08.382 INFO kablam!     Checking maze v0.1.2 (file:///source)
Sep 02 07:54:13.729 INFO kablam! warning: variable does not need to be mutable
Sep 02 07:54:13.729 INFO kablam!    --> src/types/grid.rs:191:13
Sep 02 07:54:13.729 INFO kablam!     |
Sep 02 07:54:13.729 INFO kablam! 191 |         let mut grid = self;
Sep 02 07:54:13.729 INFO kablam!     |             ----^^^^
Sep 02 07:54:13.729 INFO kablam!     |             |
Sep 02 07:54:13.729 INFO kablam!     |             help: remove this `mut`
Sep 02 07:54:13.730 INFO kablam!     |
Sep 02 07:54:13.730 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 07:54:13.731 INFO kablam! 
Sep 02 07:54:13.755 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 02 07:54:13.755 INFO kablam!  --> src/lib.rs:2:12
Sep 02 07:54:13.755 INFO kablam!   |
Sep 02 07:54:13.755 INFO kablam! 2 | #![feature(proc_macro)]
Sep 02 07:54:13.755 INFO kablam!   |            ^^^^^^^^^^
Sep 02 07:54:13.755 INFO kablam!   |
Sep 02 07:54:13.756 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 07:54:13.756 INFO kablam! 
Sep 02 07:54:14.034 INFO kablam! warning: variable does not need to be mutable
Sep 02 07:54:14.034 INFO kablam!    --> src/types/grid.rs:191:13
Sep 02 07:54:14.034 INFO kablam!     |
Sep 02 07:54:14.035 INFO kablam! 191 |         let mut grid = self;
Sep 02 07:54:14.035 INFO kablam!     |             ----^^^^
Sep 02 07:54:14.035 INFO kablam!     |             |
Sep 02 07:54:14.035 INFO kablam!     |             help: remove this `mut`
Sep 02 07:54:14.035 INFO kablam!     |
Sep 02 07:54:14.035 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 07:54:14.035 INFO kablam! 
Sep 02 07:54:14.083 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 02 07:54:14.083 INFO kablam!  --> src/lib.rs:2:12
Sep 02 07:54:14.083 INFO kablam!   |
Sep 02 07:54:14.083 INFO kablam! 2 | #![feature(proc_macro)]
Sep 02 07:54:14.083 INFO kablam!   |            ^^^^^^^^^^
Sep 02 07:54:14.083 INFO kablam!   |
Sep 02 07:54:14.083 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 07:54:14.083 INFO kablam! 
Sep 02 07:54:20.500 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 33.63s
Sep 02 07:54:20.515 INFO kablam! su: No module specific data is present
Sep 02 07:54:21.004 INFO running `"docker" "rm" "-f" "ea413d942773f52bec9f0f134f777632b723ba389ed8828c8a136b842de089b9"`
Sep 02 07:54:21.094 INFO blam! ea413d942773f52bec9f0f134f777632b723ba389ed8828c8a136b842de089b9