Aug 31 21:48:56.936 INFO checking maze-0.1.2 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 21:48:56.936 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 21:48:56.936 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 21:48:57.090 INFO blam! 5d5f25527b84e2bf1363b35dd0e4f6baf74581be81184068442146e6b4a6b06c
Aug 31 21:48:57.092 INFO running `"docker" "start" "-a" "5d5f25527b84e2bf1363b35dd0e4f6baf74581be81184068442146e6b4a6b06c"`
Aug 31 21:48:58.113 INFO kablam!     Checking css-color-parser v0.1.2
Aug 31 21:48:58.120 INFO kablam!     Checking png v0.5.2
Aug 31 21:48:58.124 INFO kablam!     Checking hyper v0.9.12
Aug 31 21:49:00.968 INFO kablam!     Checking image v0.10.4
Aug 31 21:49:06.599 INFO kablam!     Checking iron v0.4.0
Aug 31 21:49:09.688 INFO kablam!     Checking persistent v0.2.1
Aug 31 21:49:09.690 INFO kablam!     Checking router v0.4.0
Aug 31 21:49:10.883 INFO kablam!     Checking imageproc v0.6.1
Aug 31 21:49:12.962 INFO kablam!     Checking bodyparser v0.4.1
Aug 31 21:49:15.260 INFO kablam!     Checking urlencoded v0.4.1
Aug 31 21:49:17.649 INFO kablam!     Checking maze v0.1.2 (file:///source)
Aug 31 21:49:22.366 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:49:22.366 INFO kablam!    --> src/types/grid.rs:191:13
Aug 31 21:49:22.366 INFO kablam!     |
Aug 31 21:49:22.366 INFO kablam! 191 |         let mut grid = self;
Aug 31 21:49:22.366 INFO kablam!     |             ----^^^^
Aug 31 21:49:22.366 INFO kablam!     |             |
Aug 31 21:49:22.366 INFO kablam!     |             help: remove this `mut`
Aug 31 21:49:22.367 INFO kablam!     |
Aug 31 21:49:22.367 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 21:49:22.367 INFO kablam! 
Aug 31 21:49:22.391 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 31 21:49:22.392 INFO kablam!  --> src/lib.rs:2:12
Aug 31 21:49:22.392 INFO kablam!   |
Aug 31 21:49:22.392 INFO kablam! 2 | #![feature(proc_macro)]
Aug 31 21:49:22.392 INFO kablam!   |            ^^^^^^^^^^
Aug 31 21:49:22.392 INFO kablam!   |
Aug 31 21:49:22.392 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 21:49:22.392 INFO kablam! 
Aug 31 21:49:22.821 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:49:22.822 INFO kablam!    --> src/types/grid.rs:191:13
Aug 31 21:49:22.822 INFO kablam!     |
Aug 31 21:49:22.822 INFO kablam! 191 |         let mut grid = self;
Aug 31 21:49:22.822 INFO kablam!     |             ----^^^^
Aug 31 21:49:22.822 INFO kablam!     |             |
Aug 31 21:49:22.822 INFO kablam!     |             help: remove this `mut`
Aug 31 21:49:22.822 INFO kablam!     |
Aug 31 21:49:22.822 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 21:49:22.822 INFO kablam! 
Aug 31 21:49:22.852 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 31 21:49:22.852 INFO kablam!  --> src/lib.rs:2:12
Aug 31 21:49:22.852 INFO kablam!   |
Aug 31 21:49:22.852 INFO kablam! 2 | #![feature(proc_macro)]
Aug 31 21:49:22.852 INFO kablam!   |            ^^^^^^^^^^
Aug 31 21:49:22.852 INFO kablam!   |
Aug 31 21:49:22.852 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 21:49:22.852 INFO kablam! 
Aug 31 21:49:29.739 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 31.95s
Aug 31 21:49:29.760 INFO kablam! su: No module specific data is present
Aug 31 21:49:30.289 INFO running `"docker" "rm" "-f" "5d5f25527b84e2bf1363b35dd0e4f6baf74581be81184068442146e6b4a6b06c"`
Aug 31 21:49:30.420 INFO blam! 5d5f25527b84e2bf1363b35dd0e4f6baf74581be81184068442146e6b4a6b06c