Aug 30 11:30:33.137 INFO checking maze-0.1.2 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 11:30:33.137 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 11:30:33.138 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 11:30:33.267 INFO blam! bb85d1928ee7cad41e1989614b7d9d9e297b26aecb874138f259496f08e19dbe
Aug 30 11:30:33.269 INFO running `"docker" "start" "-a" "bb85d1928ee7cad41e1989614b7d9d9e297b26aecb874138f259496f08e19dbe"`
Aug 30 11:30:34.239 INFO kablam!     Checking png v0.5.2
Aug 30 11:30:34.239 INFO kablam!     Checking hyper v0.9.12
Aug 30 11:30:36.522 INFO kablam!     Checking image v0.10.4
Aug 30 11:30:41.573 INFO kablam!     Checking iron v0.4.0
Aug 30 11:30:44.307 INFO kablam!     Checking persistent v0.2.1
Aug 30 11:30:44.308 INFO kablam!     Checking router v0.4.0
Aug 30 11:30:44.762 INFO kablam!     Checking imageproc v0.6.1
Aug 30 11:30:47.826 INFO kablam!     Checking bodyparser v0.4.1
Aug 30 11:30:50.650 INFO kablam!     Checking urlencoded v0.4.1
Aug 30 11:30:52.665 INFO kablam!     Checking maze v0.1.2 (file:///source)
Aug 30 11:30:58.143 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:30:58.143 INFO kablam!    --> src/types/grid.rs:191:13
Aug 30 11:30:58.143 INFO kablam!     |
Aug 30 11:30:58.143 INFO kablam! 191 |         let mut grid = self;
Aug 30 11:30:58.143 INFO kablam!     |             ----^^^^
Aug 30 11:30:58.144 INFO kablam!     |             |
Aug 30 11:30:58.144 INFO kablam!     |             help: remove this `mut`
Aug 30 11:30:58.144 INFO kablam!     |
Aug 30 11:30:58.144 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 11:30:58.144 INFO kablam! 
Aug 30 11:30:58.174 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 30 11:30:58.175 INFO kablam!  --> src/lib.rs:2:12
Aug 30 11:30:58.175 INFO kablam!   |
Aug 30 11:30:58.175 INFO kablam! 2 | #![feature(proc_macro)]
Aug 30 11:30:58.175 INFO kablam!   |            ^^^^^^^^^^
Aug 30 11:30:58.175 INFO kablam!   |
Aug 30 11:30:58.175 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 11:30:58.175 INFO kablam! 
Aug 30 11:30:58.960 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:30:58.960 INFO kablam!    --> src/types/grid.rs:191:13
Aug 30 11:30:58.960 INFO kablam!     |
Aug 30 11:30:58.960 INFO kablam! 191 |         let mut grid = self;
Aug 30 11:30:58.960 INFO kablam!     |             ----^^^^
Aug 30 11:30:58.961 INFO kablam!     |             |
Aug 30 11:30:58.961 INFO kablam!     |             help: remove this `mut`
Aug 30 11:30:58.961 INFO kablam!     |
Aug 30 11:30:58.961 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 11:30:58.961 INFO kablam! 
Aug 30 11:30:58.986 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 30 11:30:58.986 INFO kablam!  --> src/lib.rs:2:12
Aug 30 11:30:58.986 INFO kablam!   |
Aug 30 11:30:58.986 INFO kablam! 2 | #![feature(proc_macro)]
Aug 30 11:30:58.986 INFO kablam!   |            ^^^^^^^^^^
Aug 30 11:30:58.986 INFO kablam!   |
Aug 30 11:30:58.987 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 11:30:58.987 INFO kablam! 
Aug 30 11:31:04.936 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 30.96s
Aug 30 11:31:04.956 INFO kablam! su: No module specific data is present
Aug 30 11:31:05.391 INFO running `"docker" "rm" "-f" "bb85d1928ee7cad41e1989614b7d9d9e297b26aecb874138f259496f08e19dbe"`
Aug 30 11:31:05.515 INFO blam! bb85d1928ee7cad41e1989614b7d9d9e297b26aecb874138f259496f08e19dbe